One of the boroughs of New York City excluding Manhattan (the boroughs of the Bronx, Brooklyn, Queens and Staten Island).

A borough of Alaska, United States. Borough seat: Sand Point.

A borough of Alaska, United States, the equivalent of a county in other US states. Its borough seat is in King Salmon in the adjacent Bristol Bay Borough.

A borough of Alaska, United States, the equivalent if a county in other US states. The borough seat is Naknek.

A borough of Alaska, United States, the equivalent of a county in other US states. The borough seat is in Palmer.

A combined city and borough which includes 3,253 square miles of land and water in Alaska, United States, the equivalent of a county in other US states. The usual form is "City and Borough of Juneau" and the borough seat is Juneau.

A borough of Alaska, United States, the equivalent of a county in other US states. Its borough seat is in Soldotna.

A borough in Alaska, United States, the equivalent of a county in other US states, and the northernmost borough in Alaska. The borough seat is in Utqiagvik.

A county borough of Wales located between Gwynedd and Denbighshire.

A borough in Alaska, United States, the equivalent of a county in other US states. The borough seat is in Fairbanks.