第一海堡 (japan-kanto)
Type: natural=coastline
Coordinates: 35.31495683978721, 139.76896046421027
Area: 0.04484905859375 km²
OSM tags:
name: 第一海堡
name:en: First Kaiho
name:ja: 第一海堡
natural: coastline
place: island
source: YahooJapan/ALPSMAP;GSImaps/seamlessphoto