Douarnenez, (Breton: douar (land) an enez (the island) or land of the island), is a commune in the Finistère department of Brittany in north-western France.It lies at the mouth of the Pouldavid estuary on the southern shore of Douarnenez Bay in the Atlantic Ocean, 25 kilometres (16 mi)(15 miles) north-west of Quimper. The population in 1999 was 15,827, a decrease over previous counts.