- a department in central France. 2881 sq. mi. (7460 sq. km). Capital: Auxerre.
- a department of N central France, in Burgundy region. Capital: Auxerre. Pop: 335 917 (2003 est). Area: 7461 sq km (2910 sq miles)
- a river in N France, flowing generally northwest to the Seine at Montereau. Length: 290 km (180 miles)