diff --git a/src/data_collection/russia_station_sources.py b/src/data_collection/russia_station_sources.py
index cf75b7c0..441db870 100644
--- a/src/data_collection/russia_station_sources.py
+++ b/src/data_collection/russia_station_sources.py
@@ -19,6 +19,12 @@ RUSSIA_MOSCOW_STATIONS: Dict[str, Dict[str, Any]] = {
         "lat": 55.5870,
         "lon": 37.2500,
     },
+    "27500": {
+        "station_code": "27500",
+        "station_label": "Tolstopaltsevo",
+        "lat": 55.5900,
+        "lon": 37.1940,
+    },
     "27518": {
         "station_code": "27518",
         "station_label": "Podmoskovnaya",
@@ -37,6 +43,18 @@ RUSSIA_MOSCOW_STATIONS: Dict[str, Dict[str, Any]] = {
         "lat": 55.5780,
         "lon": 37.5541,
     },
+    "27614": {
+        "station_code": "27614",
+        "station_label": "Mikhailovskoye",
+        "lat": 55.3671,
+        "lon": 37.2033,
+    },
+    "27601": {
+        "station_code": "27601",
+        "station_label": "Krasnogorsk",
+        "lat": 55.8069,
+        "lon": 37.3446,
+    },
     "27416": {
         "station_code": "27416",
         "station_label": "Moscow (Strogino)",
@@ -49,8 +67,22 @@ RUSSIA_MOSCOW_STATIONS: Dict[str, Dict[str, Any]] = {
         "lat": 55.7455,
         "lon": 37.6300,
     },
+    "27619": {
+        "station_code": "27619",
+        "station_label": "Moscow (Tushino)",
+        "lat": 55.8783,
+        "lon": 37.4367,
+    },
+    "27621": {
+        "station_code": "27621",
+        "station_label": "Gorki Leninskie",
+        "lat": 55.5079,
+        "lon": 37.7755,
+    },
 }
 
+RUSSIA_MOSCOW_MAP_STATION_LIMIT = 10
+
 
 class RussiaStationSourceMixin:
     def _ru_http_get_text(self, url: str) -> str:
@@ -312,7 +344,7 @@ class RussiaStationSourceMixin:
                     item.get("station_label") or "",
                 )
             )
-            trimmed = rows[:6]
+            trimmed = rows[:RUSSIA_MOSCOW_MAP_STATION_LIMIT]
             record_source_call(
                 "ru_station_web",
                 "nearby",
diff --git a/tests/test_russia_station_sources.py b/tests/test_russia_station_sources.py
new file mode 100644
index 00000000..a96f89aa
--- /dev/null
+++ b/tests/test_russia_station_sources.py
@@ -0,0 +1,40 @@
+from src.data_collection.russia_station_sources import (
+    RUSSIA_MOSCOW_MAP_STATION_LIMIT,
+    RUSSIA_MOSCOW_STATIONS,
+    RussiaStationSourceMixin,
+)
+
+
+def test_moscow_station_registry_includes_vnukovo_nearby_ring():
+    assert "27524" in RUSSIA_MOSCOW_STATIONS
+    assert "27500" in RUSSIA_MOSCOW_STATIONS
+    assert RUSSIA_MOSCOW_STATIONS["27500"]["station_label"] == "Tolstopaltsevo"
+    assert RUSSIA_MOSCOW_MAP_STATION_LIMIT == 10
+
+
+def test_fetch_moscow_official_nearby_keeps_nearest_ten_station_rows():
+    class FakeRussiaSource(RussiaStationSourceMixin):
+        CITY_REGISTRY = {
+            "moscow": {
+                "lat": 55.5915,
+                "lon": 37.2615,
+            }
+        }
+
+        def _ru_cached_station_current(self, station_code, station_meta, use_fahrenheit=False):
+            return {
+                "station_code": station_code,
+                "station_label": station_meta["station_label"],
+                "name": station_meta["station_label"],
+                "lat": station_meta["lat"],
+                "lon": station_meta["lon"],
+                "temp": 10.0,
+                "source_code": "ru_station_web",
+            }
+
+    rows = FakeRussiaSource().fetch_russia_moscow_official_nearby("moscow")
+
+    assert len(rows) == RUSSIA_MOSCOW_MAP_STATION_LIMIT
+    assert rows[0]["station_code"] == "27524"
+    assert rows[1]["station_code"] == "27500"
+    assert all(row["distance_km"] is not None for row in rows)