Keşan (Κεσάνη in Greek) is the name of a district of Edirne Province, Turkey, and also the name of the largest town in the district. In 2010 Keşan had a permanent population of 54,314; in the summer this increases to 70,000 because of an influx of tourists. The mayor is Mehmet Özcan (CHP).
It was occupied by the Russians in 1829 and in 1878, by the Bulgarians between 1912 and 1913 and by the Greeks between 1920 and 1922. It was recovered by the Republic of Turkey in 19 November 1922. Keşan district reached its present borders after the separation of nahiya of Enez in 1953.