Mariupol (Ukrainian: Маріу́поль, Маріюпіль, Russian: Мариу́поль [mərʲɪˈupəlʲ]; Greek: Μαριούπολη, Marioupoli) is a city of regional significance in southeastern Ukraine, situated on the north coast of the Sea of Azov at the mouth of the Kalmius river. It is the tenth-largest city in Ukraine and the second largest in the Donetsk Oblast. Population: 461,810 (2013 est.).