What is capital of Central Asia?

Central Asia is a region which consists of five countries : Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan and Uzbekistan. They all have their respective capital cities:

1. Kazakhstan: Astana (formerly Nur-Sultan)

2. Kyrgyzstan: Bishkek

3. Tajikistan: Dushanbe

4. Turkmenistan: Ashgabat

5. Uzbekistan: Tashkent