Geography of Tajikistan has headwaters in Afghanistan and Tajikistan. The other neighbors are the former Soviet republics of Uzbekistan (to the west and the north) and Kyrgyzstan (to the north). The lower elevations of Tajikistan are divided into northern and southern regions by a complex of three mountain chains that constitute the westernmost extension of the massive Tian Shan system. Running essentially parallel from east to west, the chains are the Turkestan, Zeravshan (Zarafshan), and Hisor (Gissar) mountains. The last of these lies just north of the capital, Dushanbe, which is situated in west-central Tajikistan. More than half of Tajikistan lies above an
Armenian Soviet Socialist Republic agricultural hinterland to an important industrial production center, while its population almost quadrupled from around 880,000 in 1926 to 3.3 million in 1989 due to natural growth and large-scale influx of Armenian Genocide survivors and their descendants. On August 23, 1990, it was renamed the Republic of Armenia after its sovereignty was declared, but remained in the Soviet Union until its official proclamation of independence on 21 September 1991. Its independence was recognized on 26 December 1991 when the Soviet Union ceased to exist. After the dissolution of the Soviet Union, the state of the post-Soviet Republic of Armenia existed