Average GPS coordinates for Koyajima Postcode location: 37.16, 138.475. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Koyajima on map:
Listing cities & postcodes (1):
>> Niigataken, 942-0302 Koyajima, Higashikubikigun'Uragawaramura, GPS coordinates: 37.1602,138.4748
Listing cities & postcodes (1):
>> Niigataken, 942-0302 Koyajima, Higashikubikigun'Uragawaramura, GPS coordinates: 37.1602,138.4748