- Bua Province , Fiji
- Bua (Fijian Communal Constituency, Fiji)
- , ISO code for the Buriat language
- Bua, Varberg , town in Varberg Municipality , Sweden
- Boston University Academy , high school in Boston, Massachusetts
- British United Airways , former British airline
- Buinsky District (''Bua Rayon''), a district in the Republic Of Tartastan , Russia
- Buinsk, Republic Of Tatarstan (''Bua''), a town in the Republic of Tatarstan, Russia
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