Aktobe is a city on the Ilek River in Kazakhstan. It is the administrative center of the Aktobe Region. In 2023, it had a population of 560,820. Aktobe is located in western Kazakhstan. The area of the city is about 428,469 km2. There are two water reservoirs, Aktobe and Sazdy. It ranks fourth among the cities of Kazakhstan in terms of population, and is the largest city in western Kazakhstan. The city's populace is ethnically diverse, with 79% Kazakhs and 14.8% Russians.