Turkmenistan

From Wikipedia: Turkmenistan is a country in Central Asia with a population of about 5 million, and an area around half a million km2, or almost the size of Spain. Neighbouring countries are Iran and Afghanistan to the south, and Uzbekistan and Kazakhstan to the north. It has a coast on the Caspian Sea, but is otherwise landlocked. Nearly 80% of the country is part of the Karakum Desert.