Mariupol (UK: , US: (listen); Ukrainian: Маріу́поль [mɐr⁽ʲ⁾iˈupolʲ] (listen); Russian: Мариу́поль [mərʲɪˈupəlʲ]) is a city on the north coast of the Sea of Azov at the mouth of the Kalmius river, in the Pryazovia region of Ukraine. Prior to the 2022 Russian invasion of Ukraine and its capture by Russia, it was the tenth-largest city in Ukraine and the second-largest in Donetsk Oblast, with an estimated population of 431,859, according to a 2021 census estimate. Following its capture, the population is now, according to Ukrainian authorities, estimated to be less than 100,000.Not only was Mariupol a centre for trade and manufacturing, it also played a key role in the development of higher education and various other businesses as well as being a Black Sea coast resort area. From 1948 to 1989, the city was named Zhdanov, after the Soviet functionary Andrei Zhdanov, as part of the practice of renaming cities after Communist leaders.