Also known as Oja (island), Öja (island)
island in Finland; for the former municipality, use Q294786
In the Vinony graph
Vinony's link graph records 20 inbound references to Öja, and connects out to geographic coordinate system, Gulf of Bothnia and Kokkola.
The entry is geolocated on the map in LS.
Vinony files it under Finnish islands in the Baltic, Former municipalities of Finland and Kokkola.
Vinony links it to 5 Wikipedia language editions.