Mersin (Ancient Greek: Ζεφύριον, Zephyrion) is a large city and a busy port on the Mediterranean coast of southern Turkey. The metropolitan area in the entire Mersin Province had a population of 982,429 (city center) as of 2010, making it Turkey's sixth most populous city. It is also part of an interurban agglomeration - Adana-Mersin Metropolitan Area and lies on the west part of Çukurova, a geographical, economical and cultural region. According to Evliya Çelebi, the city is named after the Mersinoğullari tribe; another theory is that it is derived from the myrtle (Greek: μύρτος, μυρσίνη) which grows abundantly in the region. Mersin is important for Turkey's economy, and Turkey's biggest port is located here.