Köýtendag

Köýtendag is a city and the administrative center of Köýtendag District in Lebap Province, Turkmenistan. On 29 December 1999, by Parliamentary Resolution No. HM-61, the city and district of Çarşangy (sometimes rendered as "Charshangy") were renamed Köýtendag. On 27 July 2016, by Parliamentary Resolution No. 425-V the town of Köýtendag was upgraded in status to "city in a district".

Köýtendag is located at an altitude of 265 meters on the banks of the Amu-Darya River, which forms the border with Jowzjan Province, Afghanistan. The Afghan town of Qarqin is on the opposite side of the river. Köýtendag is near the eastern end of Lebap Province, and indeed all of Turkmenistan. The plains surrounding the river are quite flat. Near the river the land is quite fertile and arable, supporting some farming, but further from the river the land is arid. To the northeast the Köýtendag Range rises dramatically, including Turkmenistan's highest mountain, Aýrybaba, at a height of .