diff --git a/src/ApiPlatform/BookLocation.php b/src/ApiPlatform/BookLocation.php
new file mode 100644
index 0000000..b359aca
--- /dev/null
+++ b/src/ApiPlatform/BookLocation.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Dbp\Relay\SublibraryBundle\ApiPlatform;
+
+use Symfony\Component\Serializer\Annotation\Groups;
+
+class BookLocation
+{
+    /**
+     * @Groups({"BookLocation:output"})
+     *
+     * @var string
+     */
+    private $identifier;
+
+    public function getIdentifier(): string
+    {
+        return $this->identifier;
+    }
+
+    public function setIdentifier(string $identifier): void
+    {
+        $this->identifier = $identifier;
+    }
+}
diff --git a/src/ApiPlatform/DummyProvider.php b/src/ApiPlatform/DummyProvider.php
index d2b8272..cfdfb32 100644
--- a/src/ApiPlatform/DummyProvider.php
+++ b/src/ApiPlatform/DummyProvider.php
@@ -4,16 +4,21 @@
 
 namespace Dbp\Relay\SublibraryBundle\ApiPlatform;
 
+use ApiPlatform\Metadata\CollectionOperationInterface;
 use ApiPlatform\Metadata\Operation;
 use ApiPlatform\State\ProviderInterface;
 
 class DummyProvider implements ProviderInterface
 {
     /**
-     * @return null
+     * @return array|null
      */
     public function provide(Operation $operation, array $uriVariables = [], array $context = [])
     {
-        return null;
+        if (!$operation instanceof CollectionOperationInterface) {
+            return null;
+        }
+
+        return [];
     }
 }
diff --git a/src/Controller/GetLocationIdentifiersByBookOffer.php b/src/ApiPlatform/GetLocationIdentifiersByBookOffer.php
similarity index 81%
rename from src/Controller/GetLocationIdentifiersByBookOffer.php
rename to src/ApiPlatform/GetLocationIdentifiersByBookOffer.php
index 5790a02..376709a 100644
--- a/src/Controller/GetLocationIdentifiersByBookOffer.php
+++ b/src/ApiPlatform/GetLocationIdentifiersByBookOffer.php
@@ -2,8 +2,9 @@
 
 declare(strict_types=1);
 
-namespace Dbp\Relay\SublibraryBundle\Controller;
+namespace Dbp\Relay\SublibraryBundle\ApiPlatform;
 
+use Dbp\Relay\SublibraryBundle\Controller\AlmaController;
 use Dbp\Relay\SublibraryBundle\Helpers\ItemNotLoadedException;
 use League\Uri\Contracts\UriException;
 
diff --git a/src/Entity/BookLocation.php b/src/Entity/BookLocation.php
deleted file mode 100644
index 9a7348c..0000000
--- a/src/Entity/BookLocation.php
+++ /dev/null
@@ -1,80 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Dbp\Relay\SublibraryBundle\Entity;
-
-use ApiPlatform\Action\NotFoundAction;
-use ApiPlatform\Core\Annotation\ApiProperty;
-use ApiPlatform\Core\Annotation\ApiResource;
-use Dbp\Relay\SublibraryBundle\Controller\GetLocationIdentifiersByBookOffer;
-use Symfony\Component\Serializer\Annotation\Groups;
-
-/**
- * @ApiResource(
- *     attributes={
- *         "security" = "is_granted('IS_AUTHENTICATED_FULLY') and is_granted('ROLE_LIBRARY_MANAGER')"
- *     },
- *     collectionOperations={
- *         "get" = {
- *             "security" = "is_granted('IS_AUTHENTICATED_FULLY') and is_granted('ROLE_LIBRARY_MANAGER')",
- *             "path" = "/sublibrary/book-locations",
- *             "openapi_context" = {
- *                 "tags" = {"Sublibrary"},
- *             },
- *         },
- *         "get_location_identifiers" = {
- *             "security" = "is_granted('IS_AUTHENTICATED_FULLY') and is_granted('ROLE_LIBRARY_MANAGER')",
- *             "method" = "GET",
- *             "path" = "/sublibrary/book-offers/{identifier}/location-identifiers",
- *             "controller" = GetLocationIdentifiersByBookOffer::class,
- *             "openapi_context" = {
- *                 "tags" = {"Sublibrary"},
- *                 "summary" = "Retrieves all location identifiers with in the same holding and with the same location as the book offer.",
- *                 "parameters" = {
- *                     {"name" = "identifier", "in" = "path", "description" = "Id of book offer", "required" = true, "type" = "string"}
- *                 }
- *             }
- *         }
- *     },
- *     itemOperations={
- *         "get" = {
- *             "security" = "is_granted('IS_AUTHENTICATED_FULLY') and is_granted('ROLE_LIBRARY_MANAGER')",
- *             "path" = "/sublibrary/book-locations/{identifier}",
- *             "openapi_context" = {
- *                 "tags" = {"Sublibrary"},
- *             },
- *             "controller" = NotFoundAction::class,
- *             "read" = false,
- *             "output" = false,
- *         },
- *     },
- *     iri="https://schema.org/location",
- *     shortName="BookLocation",
- *     description="The location, where a book is shelved.",
- *     normalizationContext={
- *         "jsonld_embed_context" = true,
- *         "groups" = {"BookLocation:output"}
- *     },
- * )
- */
-class BookLocation
-{
-    /**
-     * @ApiProperty(identifier=true)
-     * @Groups({"BookLocation:output"})
-     *
-     * @var string
-     */
-    private $identifier;
-
-    public function getIdentifier(): string
-    {
-        return $this->identifier;
-    }
-
-    public function setIdentifier(string $identifier): void
-    {
-        $this->identifier = $identifier;
-    }
-}
diff --git a/src/Resources/config/api_resources.yaml b/src/Resources/config/api_resources.yaml
index 5faeab4..9c3456b 100644
--- a/src/Resources/config/api_resources.yaml
+++ b/src/Resources/config/api_resources.yaml
@@ -254,7 +254,6 @@ resources:
       priceCurrency:
         iri: "http://schema.org/priceCurrency"
 
-
   Dbp\Relay\SublibraryBundle\ApiPlatform\BookOrder:
     security: "is_granted('IS_AUTHENTICATED_FULLY') and is_granted('ROLE_LIBRARY_MANAGER')"
     types: ['http://schema.org/Order']
@@ -302,3 +301,50 @@ resources:
         iri: "http://schema.org/Text"
       orderDate:
         iri: "http://schema.org/DateTime"
+
+  Dbp\Relay\SublibraryBundle\ApiPlatform\BookLocation:
+    security: "is_granted('IS_AUTHENTICATED_FULLY') and is_granted('ROLE_LIBRARY_MANAGER')"
+    types: ['https://schema.org/location']
+    description: "The location, where a book is shelved."
+    shortName: "BookLocation"
+    routePrefix: "/sublibrary"
+    normalizationContext:
+      groups: ["BookLocation:output"]
+      jsonld_embed_context: true
+
+    operations:
+
+      ApiPlatform\Metadata\GetCollection:
+        security: "is_granted('IS_AUTHENTICATED_FULLY') and is_granted('ROLE_LIBRARY_MANAGER')"
+        provider: Dbp\Relay\SublibraryBundle\ApiPlatform\DummyProvider
+        uriTemplate: "/book-locations"
+        openapiContext:
+          tags: ["Sublibrary"]
+
+      ApiPlatform\Metadata\Get:
+        security: "is_granted('IS_AUTHENTICATED_FULLY') and is_granted('ROLE_LIBRARY_MANAGER')"
+        provider: Dbp\Relay\SublibraryBundle\ApiPlatform\DummyProvider
+        uriTemplate: "/book-locations/{identifier}"
+        openapiContext:
+          tags: ["Sublibrary"]
+
+      get_location_identifiers:
+        class: ApiPlatform\Metadata\GetCollection
+        method: GET
+        controller: Dbp\Relay\SublibraryBundle\ApiPlatform\GetLocationIdentifiersByBookOffer
+        uriTemplate: "/book-offers/{identifier}/location-identifiers"
+        read: false
+        openapiContext:
+          tags: ["Sublibrary"]
+          summary: "Retrieves all location identifiers with in the same holding and with the same location as the book offer."
+          parameters:
+            - name: identifier
+              in: path
+              description: 'Id of book offer'
+              type: string
+              required: true
+
+    properties:
+      identifier:
+        identifier: true
+        iri: "http://schema.org/identifier"
diff --git a/src/Service/AlmaApi.php b/src/Service/AlmaApi.php
index 465925c..bc0b0be 100644
--- a/src/Service/AlmaApi.php
+++ b/src/Service/AlmaApi.php
@@ -15,6 +15,7 @@
 use Dbp\Relay\CoreBundle\Rest\Options;
 use Dbp\Relay\SublibraryBundle\API\SublibraryProviderInterface;
 use Dbp\Relay\SublibraryBundle\ApiPlatform\Book;
+use Dbp\Relay\SublibraryBundle\ApiPlatform\BookLocation;
 use Dbp\Relay\SublibraryBundle\ApiPlatform\BookOrder;
 use Dbp\Relay\SublibraryBundle\ApiPlatform\BookOrderItem;
 use Dbp\Relay\SublibraryBundle\ApiPlatform\BudgetMonetaryAmount;
@@ -22,7 +23,6 @@
 use Dbp\Relay\SublibraryBundle\ApiPlatform\EventStatusType;
 use Dbp\Relay\SublibraryBundle\ApiPlatform\ParcelDelivery;
 use Dbp\Relay\SublibraryBundle\Entity\BookLoan;
-use Dbp\Relay\SublibraryBundle\Entity\BookLocation;
 use Dbp\Relay\SublibraryBundle\Entity\BookOffer;
 use Dbp\Relay\SublibraryBundle\Entity\Sublibrary;
 use Dbp\Relay\SublibraryBundle\Helpers\ItemNotFoundException;