diff --git a/homeassistant/components/radio_browser/media_source.py b/homeassistant/components/radio_browser/media_source.py
index 0f551230ef9b..6d8545314c7c 100644
--- a/homeassistant/components/radio_browser/media_source.py
+++ b/homeassistant/components/radio_browser/media_source.py
@@ -80,10 +80,16 @@ class RadioMediaSource(MediaSource):
                 translation_key="radio_browser_error",
             ) from e
         if not station:
-            raise Unresolvable("Radio station is no longer available")
+            raise Unresolvable(
+                translation_domain=DOMAIN,
+                translation_key="station_not_found",
+            )
 
         if not (mime_type := self._async_get_station_mime_type(station)):
-            raise Unresolvable("Could not determine stream type of radio station")
+            raise Unresolvable(
+                translation_domain=DOMAIN,
+                translation_key="unknown_stream_type",
+            )
 
         # Register "click" with Radio Browser
         await radios.station_click(uuid=station.uuid)
diff --git a/homeassistant/components/radio_browser/strings.json b/homeassistant/components/radio_browser/strings.json
index c1e99128ee17..c83c4c86e57a 100644
--- a/homeassistant/components/radio_browser/strings.json
+++ b/homeassistant/components/radio_browser/strings.json
@@ -12,6 +12,12 @@
     },
     "radio_browser_error": {
       "message": "Error occurred while communicating with Radio Browser"
+    },
+    "station_not_found": {
+      "message": "The radio station is no longer available"
+    },
+    "unknown_stream_type": {
+      "message": "Could not determine the stream type of the radio station"
     }
   }
 }
diff --git a/tests/components/radio_browser/test_media_source.py b/tests/components/radio_browser/test_media_source.py
index ec01d0f3b4cb..f5b738ad98b3 100644
--- a/tests/components/radio_browser/test_media_source.py
+++ b/tests/components/radio_browser/test_media_source.py
@@ -1,6 +1,6 @@
 """Tests for radio_browser media_source."""
 
-from unittest.mock import AsyncMock, patch
+from unittest.mock import AsyncMock, MagicMock, patch
 
 from aiodns.error import DNSError
 import pytest
@@ -263,3 +263,51 @@ async def test_resolve_media_not_ready(
                 hass, f"{media_source.URI_SCHEME}{DOMAIN}/123456", None
             )
         assert exc_info.value.translation_key == "config_entry_not_ready"
+
+
+async def test_resolve_media_station_not_found(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test resolving a station that no longer exists."""
+
+    with patch(
+        "homeassistant.components.radio_browser.RadioBrowser",
+        autospec=True,
+    ) as mock_browser:
+        mock_config_entry.add_to_hass(hass)
+
+        await hass.config_entries.async_setup(mock_config_entry.entry_id)
+        await hass.async_block_till_done()
+
+        mock_browser.return_value.station.return_value = None
+        with pytest.raises(media_source.Unresolvable) as exc_info:
+            await media_source.async_resolve_media(
+                hass, f"{media_source.URI_SCHEME}{DOMAIN}/123456", None
+            )
+        assert exc_info.value.translation_key == "station_not_found"
+
+
+async def test_resolve_media_unknown_stream_type(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test resolving a station whose stream type cannot be determined."""
+
+    with patch(
+        "homeassistant.components.radio_browser.RadioBrowser",
+        autospec=True,
+    ) as mock_browser:
+        mock_config_entry.add_to_hass(hass)
+
+        await hass.config_entries.async_setup(mock_config_entry.entry_id)
+        await hass.async_block_till_done()
+
+        station = MagicMock(codec="UNKNOWN", url="https://example.com/stream")
+        mock_browser.return_value.station.return_value = station
+        with pytest.raises(media_source.Unresolvable) as exc_info:
+            await media_source.async_resolve_media(
+                hass, f"{media_source.URI_SCHEME}{DOMAIN}/123456", None
+            )
+        assert exc_info.value.translation_key == "unknown_stream_type"
+        mock_browser.return_value.station_click.assert_not_called()