There is no absolute consensus in the usage of this term. Usually, Central Asia includes:

Central Asia is currently geopolitically important because international disputes and conflicts over oil pipelines, Nagorno-Karabakh, and Chechnya, as well as the presence of U.S. military and U.K. military forces in Afghanistan.

Southwest Asia (or Middle East, Near East or West Asia)
চরম বিন্দুসমূহ
Central Asia
North Asia