Region in the middle of the Asian continent east of the Caspian Sea
  • Afghanistan - Territory in southwest central Asia, nominally ruled since 2004 by the Jomhūrī-ye Eslāmī-ye Afġānistān/Da Afġānistān Islāmī Jomhoriyat
  • Kazakhstan - Territory in west central Asia, ruled since 1991 by the Qazaqstan Respublïkası
  • Kyrgyzstan - Territory in west central Asia, ruled since 1991 by the Kyrgyz Respublikasy
  • Tajikistan - Territory in south central Asia, ruled since 1991 by the Cumhuriyi Tocikiston
  • Turkmenistan - Territory in west central Asia, ruled since 1991 by a homonymous republic
  • Uzbekistan - Territory in west central Asia, ruled since 1991 by the O‘zbekiston Respublikasi