E shore of Captains Bay, in Unalaska Bay, on NE coast of Unalaska I., Aleutian Islands.
Named by W. H. Dall in 1872, from the Russian Ober meaning upper.
Amugul Bay, Broad Bay, Captains Bay, Constantine Bay, Dutch Harbor, Erskine Bay, Final Bay, Hive Bay, Iliuliuk Bay, Iliuliuk Harbor, Kisselen Bay, Margaret Bay, Morris Cove, Nateekin Bay, Portage Bay, Reese Bay, Small Bay, Summer Bay, Tanaskan Bay, Ugadaga Bay, Ulalux, Unalaska Bay, Uniktali Bay, Wide Bay, Xatacyan Lagoon,
Agamgim Yaga, Cannery Point, Cape Cheerful, Cape Kalekta, Cape Wislow, Chaluuknam Yaga, Devilfish Point, Eider Point, Obernoi Point, Rocky Point, Spithead, Tanasxan Yaga, Ulakta Head, Uugdagan-yaga, Yagim Aantuudaayulux,
Amaknak Island, Amugam-tangingin, Arch Rock, Cave Rock, Dushkot Island, Expedition Island, Fish Rock, Fox Islands, Hog Island, Needle Rock, North Rock, Round Island, Second Priest Rock, South Amaknak Rocks, Tanasxan Tangingin, Tuscarora Rock, Unalaska Island, Wislow Island,