Don River in Rostov-on-Don

Monument to Dmitry Rostovsky and Cathedral of Rostov on Don in the background.

Rostov-on-Don (Russian: Ростов-на-Дону, tr. Rostov-na-Donu, IPA: [rɐˈstof nə dɐˈnu]) is a city in the European part of Russia. It is on the River Don, about 46 km before it flows into the Sea of Azov. The city is the administrative center of Rostov Oblast and the Southern Federal District of Russia. About 1 million people live in the city (as of 2002).