diff --git a/backend/app/schemas/device.py b/backend/app/schemas/device.py
index adc8878..f11f141 100644
--- a/backend/app/schemas/device.py
+++ b/backend/app/schemas/device.py
@@ -88,6 +88,8 @@ class DeviceResponse(BaseModel):
     tls_mode: str = "auto"
     tags: list[DeviceTagRef] = []
     groups: list[DeviceGroupRef] = []
+    site_id: Optional[uuid.UUID] = None
+    site_name: Optional[str] = None
     created_at: datetime
 
     model_config = {"from_attributes": True}
diff --git a/backend/app/services/device.py b/backend/app/services/device.py
index 0aef536..27b71a5 100644
--- a/backend/app/services/device.py
+++ b/backend/app/services/device.py
@@ -109,15 +109,20 @@ def _build_device_response(device: Device) -> DeviceResponse:
         tls_mode=device.tls_mode,
         tags=tags,
         groups=groups,
+        site_id=device.site_id,
+        site_name=device.site.name if device.site else None,
         created_at=device.created_at,
     )
 
 
 def _device_with_relations():
     """Return a select() for Device with tags and groups eagerly loaded."""
+    from app.models.site import Site  # noqa: F811
+
     return select(Device).options(
         selectinload(Device.tag_assignments).selectinload(DeviceTagAssignment.tag),
         selectinload(Device.group_memberships).selectinload(DeviceGroupMembership.group),
+        selectinload(Device.site),
     )
 
 
diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index 077acef..484078c 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -306,6 +306,8 @@ export interface DeviceResponse {
   tls_mode: string
   tags: DeviceTagRef[]
   groups: DeviceGroupRef[]
+  site_id: string | null
+  site_name: string | null
   created_at: string
 }