Châtillon-sur-Chalaronne

Châtillon-sur-Chalaronne (, literally Châtillon on Chalaronne) is a commune in the Ain department in eastern France.

History
The town takes its name from a castle built around 1000 AD. It was formerly named Châtillon-les-Dombes.

Geography
The Chalaronne flows northwest through the commune and crosses the town.

Twin towns

 * Wächtersbach (Germany)
 * Colceag (Romania)

Personalities

 * Saint Vincent de Paul: was curate of Châtillon and founded the Brotherhood of Charity (1617)
 * Philibert Commerson: botanist, born in Châtillon in 1727