From these facts you should get your answer.
Step-by-step explanation:
- Central Asia, central region of Asia, extending from the Caspian Sea in the west to the border of western China in the east.
- It is bounded on the north by Russia and on the south by Iran, Afghanistan, and China.
- The region consists of the former Soviet republics of Kazakhstan, Uzbekistan, Tajikistan, Kyrgyzstan, and Turkmenistan.