Bobrof Island (Walĝa in Aleut) is one of the Andreanof Islands subgroup of the Aleutian Islands in southwestern Alaska, USA. Bobrof Island has a land area of 7.714 km² (2.978 sq mi) and is unpopulated.
Sorry - due to cloud cover in the Satellite View, the polygon is crude. I have estimated it in part according to the Terrain View, which is inaccurate as to outline. If anyone can improve it, please do!