Kazakhstan is located in southern Asia between Russia and Uzbekistan, bordering on the Caspian Sea and the Aral Sea, with a total area of 2,717,300 sq km (1,049,155 sq mi). Kazakhstan shares boundaries with Russia on the N and W , China on the E , Kyrgyzstan, Uzbekistan, and Turkmenistan on the S , and the Caspian Sea on the W . Kazakhstan's boundary length totals 12,012 km (7,464 mi). Its capital city, Astana, is located in the north-central part of the country.