4-й Северный форт (russia-northwestern-fed-district)
Type: boundary=administrative
Coordinates: 60.02159369265028, 29.847821259892683
Area: 0.026653912109375 km²
OSM tags:
admin_level: 9
alt_name: форт Зверев;Северная батарея №4
alt_name:en: Northern battery No 4
boundary: administrative
castle_type: fortress
heritage: 1
heritage:operator: whc
historic: castle
name: 4-й Северный форт
name:de: 4. Nördliches Fort
natural: coastline
official_name: Северная батарея № 4
place: islet
ref:whc: 540-003b 6
whc:inscription_date: 1990
wikimedia_commons: File:RUS-2016-Aerial-SPB-Forts of Kronstadt (Fort 4).jpg