Akto County is a county in Kizilsu Kyrgyz Autonomous Prefecture, Xinjiang Uygur Autonomous Region, China. The county borders Tajikistan and Kyrgyzstan and has two towns, 11 townships, four state-owned farms and a plant nursery under its jurisdiction with the county seat being Akto Town. The county contains an area of 24,555 km2 (9,481 sq mi) and has a population of 221,526 as of 2015, of 231,756 as of 2017.

Kizilsu Kyrgyz Autonomous Prefecture is an autonomous prefecture in western Xinjiang, China, bordering Kyrgyzstan and Tajikistan. Its capital is Artux. The prefecture is home to 622,222 people and covers an area of 70,916 km2 (27,381 sq mi). Most Kyrgyz in China reside in Kizilsu; they make up a little over a quarter of the prefecture's population. The Uyghurs are the largest ethnic group in Kizilsu, consisting of nearly two-thirds of the population.