diff --git a/homeassistant/components/conversation/default_agent.py b/homeassistant/components/conversation/default_agent.py
index 68029190439..059b378b9a8 100644
--- a/homeassistant/components/conversation/default_agent.py
+++ b/homeassistant/components/conversation/default_agent.py
@@ -153,8 +153,8 @@ class IntentCacheKey:
     language: str
     """Language of text."""
 
-    device_id: str | None
-    """Device id from user input."""
+    satellite_id: str | None
+    """Satellite id from user input."""
 
 
 @dataclass(frozen=True)
@@ -443,9 +443,15 @@ class DefaultAgent(ConversationEntity):
             }
             for entity in result.entities_list
         }
-        device_area = self._get_device_area(user_input.device_id)
-        if device_area:
-            slots["preferred_area_id"] = {"value": device_area.id}
+
+        satellite_id = user_input.satellite_id
+        device_id = user_input.device_id
+        satellite_area, device_id = self._get_satellite_area_and_device(
+            satellite_id, device_id
+        )
+        if satellite_area is not None:
+            slots["preferred_area_id"] = {"value": satellite_area.id}
+
         async_conversation_trace_append(
             ConversationTraceEventType.TOOL_CALL,
             {
@@ -467,8 +473,8 @@ class DefaultAgent(ConversationEntity):
                 user_input.context,
                 language,
                 assistant=DOMAIN,
-                device_id=user_input.device_id,
-                satellite_id=user_input.satellite_id,
+                device_id=device_id,
+                satellite_id=satellite_id,
                 conversation_agent_id=user_input.agent_id,
             )
         except intent.MatchFailedError as match_error:
@@ -534,7 +540,9 @@ class DefaultAgent(ConversationEntity):
 
         # Try cache first
         cache_key = IntentCacheKey(
-            text=user_input.text, language=language, device_id=user_input.device_id
+            text=user_input.text,
+            language=language,
+            satellite_id=user_input.satellite_id,
         )
         cache_value = self._intent_cache.get(cache_key)
         if cache_value is not None:
@@ -1304,28 +1312,40 @@ class DefaultAgent(ConversationEntity):
         self, user_input: ConversationInput
     ) -> dict[str, Any] | None:
         """Return intent recognition context for user input."""
-        if not user_input.device_id:
+        satellite_area, _ = self._get_satellite_area_and_device(
+            user_input.satellite_id, user_input.device_id
+        )
+        if satellite_area is None:
             return None
 
-        device_area = self._get_device_area(user_input.device_id)
-        if device_area is None:
-            return None
+        return {"area": {"value": satellite_area.name, "text": satellite_area.name}}
 
-        return {"area": {"value": device_area.name, "text": device_area.name}}
+    def _get_satellite_area_and_device(
+        self, satellite_id: str | None, device_id: str | None = None
+    ) -> tuple[ar.AreaEntry | None, str | None]:
+        """Return area entry and device id."""
+        hass = self.hass
 
-    def _get_device_area(self, device_id: str | None) -> ar.AreaEntry | None:
-        """Return area object for given device identifier."""
-        if device_id is None:
-            return None
+        area_id: str | None = None
 
-        devices = dr.async_get(self.hass)
-        device = devices.async_get(device_id)
-        if (device is None) or (device.area_id is None):
-            return None
+        if (
+            satellite_id is not None
+            and (entity_entry := er.async_get(hass).async_get(satellite_id)) is not None
+        ):
+            area_id = entity_entry.area_id
+            device_id = entity_entry.device_id
 
-        areas = ar.async_get(self.hass)
+        if (
+            area_id is None
+            and device_id is not None
+            and (device_entry := dr.async_get(hass).async_get(device_id)) is not None
+        ):
+            area_id = device_entry.area_id
 
-        return areas.async_get_area(device.area_id)
+        if area_id is None:
+            return None, device_id
+
+        return ar.async_get(hass).async_get_area(area_id), device_id
 
     def _get_error_text(
         self,
diff --git a/homeassistant/components/conversation/trigger.py b/homeassistant/components/conversation/trigger.py
index 36f8b224677..b6b1273f1ab 100644
--- a/homeassistant/components/conversation/trigger.py
+++ b/homeassistant/components/conversation/trigger.py
@@ -15,7 +15,7 @@ import voluptuous as vol
 
 from homeassistant.const import CONF_COMMAND, CONF_PLATFORM
 from homeassistant.core import CALLBACK_TYPE, HassJob, HomeAssistant
-from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers import config_validation as cv, entity_registry as er
 from homeassistant.helpers.script import ScriptRunResult
 from homeassistant.helpers.trigger import TriggerActionType, TriggerInfo
 from homeassistant.helpers.typing import UNDEFINED, ConfigType
@@ -71,6 +71,8 @@ async def async_attach_trigger(
     trigger_data = trigger_info["trigger_data"]
     sentences = config.get(CONF_COMMAND, [])
 
+    ent_reg = er.async_get(hass)
+
     job = HassJob(action)
 
     async def call_action(
@@ -92,6 +94,14 @@ async def async_attach_trigger(
             for entity_name, entity in result.entities.items()
         }
 
+        satellite_id = user_input.satellite_id
+        device_id = user_input.device_id
+        if (
+            satellite_id is not None
+            and (satellite_entry := ent_reg.async_get(satellite_id)) is not None
+        ):
+            device_id = satellite_entry.device_id
+
         trigger_input: dict[str, Any] = {  # Satisfy type checker
             **trigger_data,
             "platform": DOMAIN,
@@ -100,8 +110,8 @@ async def async_attach_trigger(
             "slots": {  # direct access to values
                 entity_name: entity["value"] for entity_name, entity in details.items()
             },
-            "device_id": user_input.device_id,
-            "satellite_id": user_input.satellite_id,
+            "device_id": device_id,
+            "satellite_id": satellite_id,
             "user_input": user_input.as_dict(),
         }
 
diff --git a/tests/components/conversation/test_default_agent.py b/tests/components/conversation/test_default_agent.py
index 6dcb032c0d3..69fbe3caf82 100644
--- a/tests/components/conversation/test_default_agent.py
+++ b/tests/components/conversation/test_default_agent.py
@@ -522,13 +522,13 @@ async def test_respond_intent(hass: HomeAssistant) -> None:
 
 
 @pytest.mark.usefixtures("init_components")
-async def test_device_area_context(
+async def test_satellite_area_context(
     hass: HomeAssistant,
     area_registry: ar.AreaRegistry,
     device_registry: dr.DeviceRegistry,
     entity_registry: er.EntityRegistry,
 ) -> None:
-    """Test that including a device_id will target a specific area."""
+    """Test that including a satellite will target a specific area."""
     turn_on_calls = async_mock_service(hass, "light", "turn_on")
     turn_off_calls = async_mock_service(hass, "light", "turn_off")
 
@@ -560,12 +560,12 @@ async def test_device_area_context(
     entry = MockConfigEntry()
     entry.add_to_hass(hass)
 
-    kitchen_satellite = device_registry.async_get_or_create(
-        config_entry_id=entry.entry_id,
-        connections=set(),
-        identifiers={("demo", "id-satellite-kitchen")},
+    kitchen_satellite = entity_registry.async_get_or_create(
+        "assist_satellite", "demo", "kitchen"
+    )
+    entity_registry.async_update_entity(
+        kitchen_satellite.entity_id, area_id=area_kitchen.id
     )
-    device_registry.async_update_device(kitchen_satellite.id, area_id=area_kitchen.id)
 
     bedroom_satellite = device_registry.async_get_or_create(
         config_entry_id=entry.entry_id,
@@ -581,7 +581,7 @@ async def test_device_area_context(
         None,
         Context(),
         None,
-        device_id=kitchen_satellite.id,
+        satellite_id=kitchen_satellite.entity_id,
     )
     await hass.async_block_till_done()
     assert result.response.response_type == intent.IntentResponseType.ACTION_DONE
@@ -605,7 +605,7 @@ async def test_device_area_context(
         None,
         Context(),
         None,
-        device_id=kitchen_satellite.id,
+        satellite_id=kitchen_satellite.entity_id,
     )
     await hass.async_block_till_done()
     assert result.response.response_type == intent.IntentResponseType.ACTION_DONE