Central Asia(A geographic region of the Asian continent between the Caspian Sea on the west and China on the east, extending northward into the central region of Russia and southward to the northern borders of Iran and Afghanistan, and comprised of independent former republics of the Soviet Union, including Kazakstan, Uzbekistan, Turkmenistan, Kyrgyzstan and Tajikistan)
central government(A system in which a governing or administrative body has a certain degree of power or authority to prevail in the management of local, national and international matters)