Bassanne is a commune with 95 inhabitants (as of 1 January 2011) in the Gironde department in Aquitaine in the region; it belongs to the administrative district in the canton of Langon and Auros.
The municipality is situated approximately 50 kilometers south-east of Bordeaux, borders the following municipalities:
- Floudès in the Northeast,
- Puybarban in the east,
- Pondaurat in the south,
- Castillon -de- Castets in the southwest and
- Barie in the northwest.
The municipal area is ( German: Canal de Garonne ) from the eponymous river Bassanne and the shipping canal Lateral Canal à la Garonne crosses.
- Saint-Pierre church from the 13th century