diff --git a/app/Livewire/Admin/Datacenters.php b/app/Livewire/Admin/Datacenters.php
new file mode 100644
index 0000000..b91a6ac
--- /dev/null
+++ b/app/Livewire/Admin/Datacenters.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Livewire\Admin;
+
+use App\Models\Datacenter;
+use Livewire\Attributes\Layout;
+use Livewire\Attributes\Validate;
+use Livewire\Component;
+
+#[Layout('layouts.admin')]
+class Datacenters extends Component
+{
+    #[Validate('required|string|max:8|alpha_dash|unique:datacenters,code')]
+    public string $code = '';
+
+    #[Validate('required|string|max:255')]
+    public string $name = '';
+
+    #[Validate('nullable|string|max:255')]
+    public string $location = '';
+
+    public function save(): void
+    {
+        $data = $this->validate();
+
+        Datacenter::create([
+            'code' => strtolower($data['code']),
+            'name' => $data['name'],
+            'location' => $data['location'] ?: null,
+            'active' => true,
+        ]);
+
+        $this->reset('code', 'name', 'location');
+        $this->dispatch('notify', message: __('datacenters.created'));
+    }
+
+    public function toggle(string $uuid): void
+    {
+        $datacenter = Datacenter::query()->where('uuid', $uuid)->first();
+        $datacenter?->update(['active' => ! $datacenter->active]);
+    }
+
+    public function render()
+    {
+        return view('livewire.admin.datacenters', [
+            'datacenters' => Datacenter::query()->withCount('hosts')->orderBy('name')->get(),
+        ]);
+    }
+}
diff --git a/app/Livewire/Admin/HostCreate.php b/app/Livewire/Admin/HostCreate.php
index 9c07e2e..9aeaf76 100644
--- a/app/Livewire/Admin/HostCreate.php
+++ b/app/Livewire/Admin/HostCreate.php
@@ -13,8 +13,13 @@ class HostCreate extends Component
     #[Validate('required|string|max:255')]
     public string $name = '';
 
-    #[Validate('required|string|in:fsn,hel')]
-    public string $datacenter = 'fsn';
+    #[Validate('required|string|exists:datacenters,code')]
+    public string $datacenter = '';
+
+    public function mount(): void
+    {
+        $this->datacenter = (string) \App\Models\Datacenter::query()->active()->orderBy('name')->value('code');
+    }
 
     #[Validate('required|ip|unique:hosts,public_ip')]
     public string $public_ip = '';
@@ -34,7 +39,7 @@ class HostCreate extends Component
     public function render()
     {
         return view('livewire.admin.host-create', [
-            'datacenters' => ['fsn', 'hel'],
+            'datacenters' => \App\Models\Datacenter::query()->active()->orderBy('name')->get(),
         ]);
     }
 }
diff --git a/app/Models/Datacenter.php b/app/Models/Datacenter.php
new file mode 100644
index 0000000..862a30b
--- /dev/null
+++ b/app/Models/Datacenter.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Concerns\HasUuid;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Datacenter extends Model
+{
+    /** @use HasFactory<\Database\Factories\DatacenterFactory> */
+    use HasFactory, HasUuid;
+
+    protected $fillable = ['code', 'name', 'location', 'active'];
+
+    protected function casts(): array
+    {
+        return ['active' => 'boolean'];
+    }
+
+    public function scopeActive(Builder $query): Builder
+    {
+        return $query->where('active', true);
+    }
+
+    public function hosts()
+    {
+        return $this->hasMany(Host::class, 'datacenter', 'code');
+    }
+}
diff --git a/database/factories/DatacenterFactory.php b/database/factories/DatacenterFactory.php
new file mode 100644
index 0000000..0825956
--- /dev/null
+++ b/database/factories/DatacenterFactory.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Datacenter;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/** @extends Factory<Datacenter> */
+class DatacenterFactory extends Factory
+{
+    protected $model = Datacenter::class;
+
+    public function definition(): array
+    {
+        return [
+            'code' => $this->faker->unique()->lexify('dc?'),
+            'name' => $this->faker->city(),
+            'location' => 'DE',
+            'active' => true,
+        ];
+    }
+}
diff --git a/database/migrations/2026_07_25_090001_create_datacenters_table.php b/database/migrations/2026_07_25_090001_create_datacenters_table.php
new file mode 100644
index 0000000..4948d35
--- /dev/null
+++ b/database/migrations/2026_07_25_090001_create_datacenters_table.php
@@ -0,0 +1,26 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('datacenters', function (Blueprint $table) {
+            $table->id();
+            $table->uuid('uuid')->unique();
+            $table->string('code')->unique();   // e.g. fsn, hel — used by hosts.datacenter + placement
+            $table->string('name');
+            $table->string('location')->nullable();
+            $table->boolean('active')->default(true);
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('datacenters');
+    }
+};
diff --git a/database/seeders/DatabaseSeeder.php b/database/seeders/DatabaseSeeder.php
index cd81d93..fca0c13 100644
--- a/database/seeders/DatabaseSeeder.php
+++ b/database/seeders/DatabaseSeeder.php
@@ -3,6 +3,7 @@
 namespace Database\Seeders;
 
 use App\Models\Customer;
+use App\Models\Datacenter;
 use App\Models\Host;
 use App\Models\Instance;
 use App\Models\Order;
@@ -42,6 +43,11 @@ class DatabaseSeeder extends Seeder
             ],
         );
 
+        // Datacenters — hosts + orders pick their code.
+        foreach ([['fsn', 'Falkenstein', 'DE'], ['hel', 'Helsinki', 'FI']] as [$dcCode, $dcName, $dcLocation]) {
+            Datacenter::updateOrCreate(['code' => $dcCode], ['name' => $dcName, 'location' => $dcLocation, 'active' => true]);
+        }
+
         // Demo fleet so the operator console hosts view has content locally.
         $fleet = [
             ['name' => 'pve-fsn-1', 'datacenter' => 'fsn', 'public_ip' => '203.0.113.11', 'wg_ip' => '10.66.0.2'],
diff --git a/lang/de/admin.php b/lang/de/admin.php
index 0285743..63f26e4 100644
--- a/lang/de/admin.php
+++ b/lang/de/admin.php
@@ -10,6 +10,7 @@ return [
         'customers' => 'Kunden',
         'instances' => 'Instanzen',
         'hosts' => 'Hosts',
+        'datacenters' => 'Rechenzentren',
         'provisioning' => 'Provisioning',
         'revenue' => 'Umsatz',
     ],
diff --git a/lang/de/datacenters.php b/lang/de/datacenters.php
new file mode 100644
index 0000000..3aa5d8f
--- /dev/null
+++ b/lang/de/datacenters.php
@@ -0,0 +1,18 @@
+<?php
+
+return [
+    'title' => 'Rechenzentren',
+    'subtitle' => 'Standorte anlegen und verwalten — Hosts und Bestellungen wählen daraus.',
+    'empty' => 'Noch keine Rechenzentren. Lege dein erstes an.',
+    'code' => 'Kürzel',
+    'code_hint' => 'Kurz & eindeutig, z. B. fsn, hel, nbg.',
+    'name' => 'Name',
+    'location' => 'Standort',
+    'location_hint' => 'Optional, z. B. DE, Falkenstein.',
+    'hosts' => 'Hosts',
+    'status' => 'Status',
+    'active' => 'Aktiv',
+    'inactive' => 'Inaktiv',
+    'add' => 'Rechenzentrum anlegen',
+    'created' => 'Rechenzentrum angelegt.',
+];
diff --git a/lang/en/admin.php b/lang/en/admin.php
index 5c59b21..1e4fab9 100644
--- a/lang/en/admin.php
+++ b/lang/en/admin.php
@@ -10,6 +10,7 @@ return [
         'customers' => 'Customers',
         'instances' => 'Instances',
         'hosts' => 'Hosts',
+        'datacenters' => 'Datacenters',
         'provisioning' => 'Provisioning',
         'revenue' => 'Revenue',
     ],
diff --git a/lang/en/datacenters.php b/lang/en/datacenters.php
new file mode 100644
index 0000000..7fada6c
--- /dev/null
+++ b/lang/en/datacenters.php
@@ -0,0 +1,18 @@
+<?php
+
+return [
+    'title' => 'Datacenters',
+    'subtitle' => 'Create and manage locations — hosts and orders pick from these.',
+    'empty' => 'No datacenters yet. Add your first one.',
+    'code' => 'Code',
+    'code_hint' => 'Short & unique, e.g. fsn, hel, nbg.',
+    'name' => 'Name',
+    'location' => 'Location',
+    'location_hint' => 'Optional, e.g. DE, Falkenstein.',
+    'hosts' => 'Hosts',
+    'status' => 'Status',
+    'active' => 'Active',
+    'inactive' => 'Inactive',
+    'add' => 'Add datacenter',
+    'created' => 'Datacenter created.',
+];
diff --git a/resources/views/layouts/admin.blade.php b/resources/views/layouts/admin.blade.php
index 7cf5d2f..7b90b33 100644
--- a/resources/views/layouts/admin.blade.php
+++ b/resources/views/layouts/admin.blade.php
@@ -30,6 +30,7 @@
                     ['admin.customers', 'users', 'customers'],
                     ['admin.instances', 'box', 'instances'],
                     ['admin.hosts', 'server', 'hosts'],
+                    ['admin.datacenters', 'database', 'datacenters'],
                     ['admin.provisioning', 'activity', 'provisioning'],
                     ['admin.revenue', 'trending-up', 'revenue'],
                 ] as [$route, $icon, $key])
diff --git a/resources/views/livewire/admin/datacenters.blade.php b/resources/views/livewire/admin/datacenters.blade.php
new file mode 100644
index 0000000..e97a244
--- /dev/null
+++ b/resources/views/livewire/admin/datacenters.blade.php
@@ -0,0 +1,56 @@
+<div class="space-y-5">
+    <div class="animate-rise">
+        <h1 class="text-2xl font-semibold tracking-tight text-ink">{{ __('datacenters.title') }}</h1>
+        <p class="mt-1 text-sm text-muted">{{ __('datacenters.subtitle') }}</p>
+    </div>
+
+    <div class="grid grid-cols-1 gap-5 lg:grid-cols-[1fr_320px] lg:items-start">
+        {{-- List --}}
+        <div class="overflow-hidden rounded-xl border border-line bg-surface shadow-xs animate-rise [animation-delay:60ms]">
+            @if ($datacenters->isEmpty())
+                <p class="p-8 text-center text-sm text-muted">{{ __('datacenters.empty') }}</p>
+            @else
+                <table class="w-full text-sm">
+                    <thead>
+                        <tr class="border-b border-line bg-surface-2 text-left text-xs uppercase tracking-wide text-faint">
+                            <th class="px-4 py-3 font-semibold">{{ __('datacenters.code') }}</th>
+                            <th class="px-4 py-3 font-semibold">{{ __('datacenters.name') }}</th>
+                            <th class="px-4 py-3 font-semibold">{{ __('datacenters.hosts') }}</th>
+                            <th class="px-4 py-3 font-semibold">{{ __('datacenters.status') }}</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        @foreach ($datacenters as $dc)
+                            <tr class="border-b border-line last:border-0">
+                                <td class="px-4 py-3 font-mono font-semibold text-ink">{{ $dc->code }}</td>
+                                <td class="px-4 py-3 text-body">{{ $dc->name }}
+                                    @if ($dc->location)<span class="text-xs text-faint">· {{ $dc->location }}</span>@endif
+                                </td>
+                                <td class="px-4 py-3 font-mono text-xs text-muted">{{ $dc->hosts_count }}</td>
+                                <td class="px-4 py-3">
+                                    <button type="button" wire:click="toggle('{{ $dc->uuid }}')"
+                                            class="inline-flex items-center gap-1.5 rounded-pill border px-2.5 py-0.5 text-xs font-medium transition
+                                            {{ $dc->active ? 'border-success-border bg-success-bg text-success' : 'border-line-strong bg-surface-2 text-muted' }}">
+                                        <span class="size-1.5 rounded-pill bg-current" aria-hidden="true"></span>
+                                        {{ $dc->active ? __('datacenters.active') : __('datacenters.inactive') }}
+                                    </button>
+                                </td>
+                            </tr>
+                        @endforeach
+                    </tbody>
+                </table>
+            @endif
+        </div>
+
+        {{-- Add form --}}
+        <form wire:submit="save" class="space-y-4 rounded-xl border border-line bg-surface p-5 shadow-xs animate-rise [animation-delay:120ms]">
+            <h2 class="font-semibold text-ink">{{ __('datacenters.add') }}</h2>
+            <x-ui.input name="code" wire:model="code" :label="__('datacenters.code')" :hint="__('datacenters.code_hint')" />
+            <x-ui.input name="name" wire:model="name" :label="__('datacenters.name')" placeholder="Falkenstein" />
+            <x-ui.input name="location" wire:model="location" :label="__('datacenters.location')" :hint="__('datacenters.location_hint')" />
+            <x-ui.button variant="primary" type="submit" class="w-full">
+                <x-ui.icon name="plus" class="size-4" />{{ __('datacenters.add') }}
+            </x-ui.button>
+        </form>
+    </div>
+</div>
diff --git a/resources/views/livewire/admin/host-create.blade.php b/resources/views/livewire/admin/host-create.blade.php
index 0fc3224..62c6737 100644
--- a/resources/views/livewire/admin/host-create.blade.php
+++ b/resources/views/livewire/admin/host-create.blade.php
@@ -15,7 +15,7 @@
             <select id="datacenter" wire:model="datacenter"
                     class="block w-full rounded border border-line bg-surface px-3 py-2 text-sm text-ink transition">
                 @foreach ($datacenters as $dc)
-                    <option value="{{ $dc }}">{{ __('hosts.datacenter.'.$dc) }} ({{ $dc }})</option>
+                    <option value="{{ $dc->code }}">{{ $dc->name }} ({{ $dc->code }})</option>
                 @endforeach
             </select>
             @error('datacenter') <p class="text-xs text-danger">{{ $message }}</p> @enderror
diff --git a/resources/views/livewire/admin/host-detail.blade.php b/resources/views/livewire/admin/host-detail.blade.php
index e64df21..6b20d0b 100644
--- a/resources/views/livewire/admin/host-detail.blade.php
+++ b/resources/views/livewire/admin/host-detail.blade.php
@@ -12,7 +12,7 @@
                 <h1 class="font-mono text-2xl font-semibold tracking-tight text-ink">{{ $host->name }}</h1>
                 <x-ui.badge :status="$badge">{{ __('hosts.status.'.$host->status) }}</x-ui.badge>
             </div>
-            <p class="mt-1 font-mono text-xs text-muted">{{ $host->public_ip }} · {{ __('hosts.datacenter.'.$host->datacenter) }}</p>
+            <p class="mt-1 font-mono text-xs text-muted">{{ $host->public_ip }} · {{ $host->datacenter }}</p>
         </div>
         <div class="flex items-center gap-3">
             @if ($run && $run->status === 'failed')
diff --git a/resources/views/livewire/admin/hosts.blade.php b/resources/views/livewire/admin/hosts.blade.php
index f3a71bd..5c1e98c 100644
--- a/resources/views/livewire/admin/hosts.blade.php
+++ b/resources/views/livewire/admin/hosts.blade.php
@@ -27,7 +27,7 @@
                         <span class="grid size-10 shrink-0 place-items-center rounded-lg bg-surface-2 text-accent-text"><x-ui.icon name="server" class="size-5" /></span>
                         <div class="min-w-0">
                             <p class="font-mono font-semibold text-ink">{{ $host->name }}</p>
-                            <p class="font-mono text-xs text-muted">{{ $host->public_ip }} · {{ __('hosts.datacenter.'.$host->datacenter) }}</p>
+                            <p class="font-mono text-xs text-muted">{{ $host->public_ip }} · {{ $host->datacenter }}</p>
                         </div>
                         <x-ui.badge :status="$badge" class="ml-auto">{{ __('hosts.status.'.$host->status) }}</x-ui.badge>
                     </div>
diff --git a/routes/web.php b/routes/web.php
index 70f314b..22cdbcd 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -51,6 +51,7 @@ Route::middleware(['auth', 'admin'])->prefix('admin')->name('admin.')->group(fun
     Route::get('/hosts', Admin\Hosts::class)->name('hosts');
     Route::get('/hosts/create', Admin\HostCreate::class)->name('hosts.create');
     Route::get('/hosts/{host}', Admin\HostDetail::class)->name('hosts.show');
+    Route::get('/datacenters', Admin\Datacenters::class)->name('datacenters');
     Route::get('/provisioning', Admin\Provisioning::class)->name('provisioning');
     Route::get('/revenue', Admin\Revenue::class)->name('revenue');
 });
diff --git a/tests/Feature/Admin/DatacenterTest.php b/tests/Feature/Admin/DatacenterTest.php
new file mode 100644
index 0000000..71e41c1
--- /dev/null
+++ b/tests/Feature/Admin/DatacenterTest.php
@@ -0,0 +1,61 @@
+<?php
+
+use App\Livewire\Admin\Datacenters;
+use App\Livewire\Admin\HostCreate;
+use App\Models\Datacenter;
+use App\Models\User;
+use Livewire\Livewire;
+
+// admin() helper is defined in HostManagementTest (global Pest function).
+
+it('gates the datacenters page', function () {
+    $this->get(route('admin.datacenters'))->assertRedirect('/login');
+    $this->actingAs(User::factory()->create(['is_admin' => false]))->get(route('admin.datacenters'))->assertForbidden();
+    $this->actingAs(admin())->get(route('admin.datacenters'))->assertOk()->assertSee(__('datacenters.title'));
+});
+
+it('creates a datacenter', function () {
+    Livewire::actingAs(admin())
+        ->test(Datacenters::class)
+        ->set('code', 'NBG')
+        ->set('name', 'Nürnberg')
+        ->set('location', 'DE')
+        ->call('save')
+        ->assertHasNoErrors();
+
+    expect(Datacenter::query()->where('code', 'nbg')->where('name', 'Nürnberg')->exists())->toBeTrue();
+});
+
+it('rejects a duplicate datacenter code', function () {
+    Datacenter::factory()->create(['code' => 'fsn']);
+
+    Livewire::actingAs(admin())
+        ->test(Datacenters::class)
+        ->set('code', 'fsn')->set('name', 'Falkenstein')
+        ->call('save')
+        ->assertHasErrors(['code']);
+});
+
+it('toggles a datacenter active flag', function () {
+    $dc = Datacenter::factory()->create(['active' => true]);
+
+    Livewire::actingAs(admin())->test(Datacenters::class)->call('toggle', $dc->uuid);
+
+    expect($dc->fresh()->active)->toBeFalse();
+});
+
+it('offers only known datacenter codes when adding a host', function () {
+    Datacenter::factory()->create(['code' => 'fsn', 'name' => 'Falkenstein']);
+
+    // unknown code rejected
+    Livewire::actingAs(admin())
+        ->test(HostCreate::class)
+        ->set('name', 'pve-x')->set('datacenter', 'ghost')->set('public_ip', '203.0.113.5')->set('root_password', 'supersecret')
+        ->call('save')
+        ->assertHasErrors(['datacenter']);
+
+    // known code accepted (defaults to the first active datacenter on mount)
+    Livewire::actingAs(admin())
+        ->test(HostCreate::class)
+        ->assertSet('datacenter', 'fsn');
+});
diff --git a/tests/Feature/Admin/HostManagementTest.php b/tests/Feature/Admin/HostManagementTest.php
index fb46acd..732817e 100644
--- a/tests/Feature/Admin/HostManagementTest.php
+++ b/tests/Feature/Admin/HostManagementTest.php
@@ -39,6 +39,7 @@ it('lists real hosts for admins', function () {
 
 it('creates a host and starts onboarding with an encrypted password', function () {
     Queue::fake();
+    \App\Models\Datacenter::factory()->create(['code' => 'fsn']);
 
     Livewire::actingAs(admin())
         ->test(HostCreate::class)
@@ -61,6 +62,7 @@ it('creates a host and starts onboarding with an encrypted password', function (
 });
 
 it('rejects a duplicate public ip', function () {
+    \App\Models\Datacenter::factory()->create(['code' => 'fsn']);
     Host::factory()->create(['public_ip' => '203.0.113.99']);
 
     Livewire::actingAs(admin())