diff --git a/app/graphql/types/world_index_type.rb b/app/graphql/types/world_index_type.rb
index c413cb04e..5e48ab573 100644
--- a/app/graphql/types/world_index_type.rb
+++ b/app/graphql/types/world_index_type.rb
@@ -14,16 +14,12 @@ class WorldLocation < Types::BaseObject
       field :updated_at, GraphQL::Types::ISO8601DateTime, null: false
     end
 
-    field :body, String
-    field :international_delegations, [WorldLocation], null: false
-    field :world_locations, [WorldLocation], null: false
-
-    def international_delegations
-      object.details[:international_delegations]
+    class WorldIndexDetails < BaseObject
+      field :body, String
+      field :international_delegations, [WorldLocation], null: false
+      field :world_locations, [WorldLocation], null: false
     end
 
-    def world_locations
-      object.details[:world_locations]
-    end
+    field :details, WorldIndexDetails
   end
 end
diff --git a/spec/integration/graphql/world_index_spec.rb b/spec/integration/graphql/world_index_spec.rb
index 714fecf02..229ce33ff 100644
--- a/spec/integration/graphql/world_index_spec.rb
+++ b/spec/integration/graphql/world_index_spec.rb
@@ -51,12 +51,14 @@
               ... on WorldIndex {
                 title
 
-                worldLocations {
-                  ...worldLocationInfo
-                }
+                details {
+                  worldLocations {
+                    ...worldLocationInfo
+                  }
 
-                internationalDelegations {
-                  ...worldLocationInfo
+                  internationalDelegations {
+                    ...worldLocationInfo
+                  }
                 }
               }
             }
@@ -67,26 +69,28 @@
         data: {
           edition: {
             title: "Help and services around the world",
-            worldLocations: [
-              {
-                active: true,
-                analyticsIdentifier: "WL1",
-                contentId: "d3b7ba48-5027-4a98-a594-1108d205dc66",
-                name: "Test World Location",
-                slug: "test-world-location",
-                updatedAt: "2024-10-18T14:22:38+01:00",
-              },
-            ],
-            internationalDelegations: [
-              {
-                active: false,
-                analyticsIdentifier: "WL2",
-                contentId: "f0313f16-e25c-4bfe-a0fc-e561833f705f",
-                name: "Test International Delegation",
-                slug: "test-international-delegation",
-                updatedAt: "2024-10-19T15:07:44+01:00",
-              },
-            ],
+            details: {
+              worldLocations: [
+                {
+                  active: true,
+                  analyticsIdentifier: "WL1",
+                  contentId: "d3b7ba48-5027-4a98-a594-1108d205dc66",
+                  name: "Test World Location",
+                  slug: "test-world-location",
+                  updatedAt: "2024-10-18T14:22:38+01:00",
+                },
+              ],
+              internationalDelegations: [
+                {
+                  active: false,
+                  analyticsIdentifier: "WL2",
+                  contentId: "f0313f16-e25c-4bfe-a0fc-e561833f705f",
+                  name: "Test International Delegation",
+                  slug: "test-international-delegation",
+                  updatedAt: "2024-10-19T15:07:44+01:00",
+                },
+              ],
+            },
           },
         },
       }