Where in the World is Dushanbe found? Dushanbe is the capital of Tajikistan (Republic of Tajikistan), situated in the Central Asia subregion of Asia. In Dushanbe, the currency used is Tajikistani somoni (ЅМ), which is the official currency used in Tajikistan. The Latitude, Longitude cordinates of Dushanbe are 38.5358, 68.7791.