Ajaccio (Latin: Adiacium; French: Ajaccio, [aʒaksjo]; Corsican: Aiacciu [aˈjattʃu]; Italian: Ajaccio, [aˈjattʃo]), is a commune on the island of Corsica in France. It is the capital and largest city of the region of Corsica and the prefecture of the department of Corse-du-Sud.