Tajikistan is a landlocked republic in south-eastern Central Asia, bordered on the north by Kyrgyzstan, on the north and west by Uzbekistan, on the east by China, and on the south by Afghanistan. Dushanbe is the country's capital and largest city. Tajikistan contains the Gorno-Badakhshan Autonomous Province (Badakhshoni Kuhi), an ethnically based political subunit that occupies about 45 percent of the country's territory.