diff --git a/homeassistant/components/gdacs/__init__.py b/homeassistant/components/gdacs/__init__.py
index 8b00b2b3ff1..8144b7667ca 100644
--- a/homeassistant/components/gdacs/__init__.py
+++ b/homeassistant/components/gdacs/__init__.py
@@ -190,7 +190,11 @@ class GdacsFeedEntityManager:
     async def _generate_entity(self, external_id):
         """Generate new entity."""
         async_dispatcher_send(
-            self._hass, self.async_event_new_entity(), self, external_id
+            self._hass,
+            self.async_event_new_entity(),
+            self,
+            self._config_entry.unique_id,
+            external_id,
         )
 
     async def _update_entity(self, external_id):
diff --git a/homeassistant/components/gdacs/geo_location.py b/homeassistant/components/gdacs/geo_location.py
index 616be5a5e18..31c3ba4138c 100644
--- a/homeassistant/components/gdacs/geo_location.py
+++ b/homeassistant/components/gdacs/geo_location.py
@@ -49,9 +49,9 @@ async def async_setup_entry(hass, entry, async_add_entities):
     manager = hass.data[DOMAIN][FEED][entry.entry_id]
 
     @callback
-    def async_add_geolocation(feed_manager, external_id):
+    def async_add_geolocation(feed_manager, integration_id, external_id):
         """Add gelocation entity from feed."""
-        new_entity = GdacsEvent(feed_manager, external_id)
+        new_entity = GdacsEvent(feed_manager, integration_id, external_id)
         _LOGGER.debug("Adding geolocation %s", new_entity)
         async_add_entities([new_entity], True)
 
@@ -69,9 +69,10 @@ async def async_setup_entry(hass, entry, async_add_entities):
 class GdacsEvent(GeolocationEvent):
     """This represents an external event with GDACS feed data."""
 
-    def __init__(self, feed_manager, external_id):
+    def __init__(self, feed_manager, integration_id, external_id):
         """Initialize entity with data from feed entry."""
         self._feed_manager = feed_manager
+        self._integration_id = integration_id
         self._external_id = external_id
         self._title = None
         self._distance = None
@@ -162,6 +163,11 @@ class GdacsEvent(GeolocationEvent):
             self._vulnerability = round(self._vulnerability, 1)
         self._version = feed_entry.version
 
+    @property
+    def unique_id(self) -> Optional[str]:
+        """Return a unique ID containing latitude/longitude and external id."""
+        return f"{self._integration_id}_{self._external_id}"
+
     @property
     def icon(self):
         """Return the icon to use in the frontend, if any."""
diff --git a/homeassistant/components/gdacs/sensor.py b/homeassistant/components/gdacs/sensor.py
index 7ef2855a9be..fbbb199499b 100644
--- a/homeassistant/components/gdacs/sensor.py
+++ b/homeassistant/components/gdacs/sensor.py
@@ -28,7 +28,7 @@ PARALLEL_UPDATES = 0
 async def async_setup_entry(hass, entry, async_add_entities):
     """Set up the GDACS Feed platform."""
     manager = hass.data[DOMAIN][FEED][entry.entry_id]
-    sensor = GdacsSensor(entry.entry_id, entry.title, manager)
+    sensor = GdacsSensor(entry.entry_id, entry.unique_id, entry.title, manager)
     async_add_entities([sensor])
     _LOGGER.debug("Sensor setup done")
 
@@ -36,9 +36,10 @@ async def async_setup_entry(hass, entry, async_add_entities):
 class GdacsSensor(Entity):
     """This is a status sensor for the GDACS integration."""
 
-    def __init__(self, config_entry_id, config_title, manager):
+    def __init__(self, config_entry_id, config_unique_id, config_title, manager):
         """Initialize entity."""
         self._config_entry_id = config_entry_id
+        self._config_unique_id = config_unique_id
         self._config_title = config_title
         self._manager = manager
         self._status = None
@@ -107,6 +108,11 @@ class GdacsSensor(Entity):
         """Return the state of the sensor."""
         return self._total
 
+    @property
+    def unique_id(self) -> Optional[str]:
+        """Return a unique ID containing latitude/longitude."""
+        return self._config_unique_id
+
     @property
     def name(self) -> Optional[str]:
         """Return the name of the entity."""