トルクメン・ソビエト社会主義共和国
The Republic of Turkmenistan (), also known as Turkmenia () is a country in Central Asia. Until 1991, it was a constituent republic of the Soviet Union, the Turkmen Soviet Socialist Republic (Turkmen SSR). It is bordered by Afghanistan to the southeast, Iran to the south and southwest, Uzbekistan to the east and northeast, Kazakhstan to the north and northwest and the Caspian Sea to the west. The national postal administration is Turkmenpochta.