total: 3,736 km
border countries: Afghanistan 744 km, Iran 992 km, Kazakhstan 379 km, Uzbekistan 1,621 km
Coastline:
0 km; note - Turkmenistan borders the Caspian Sea (1,768 km)
Maritime claims:
none (landlocked)
Climate:
subtropical desert
Terrain:
flat-to-rolling sandy desert with dunes rising to mountains in the south; low mountains along border with Iran; borders Caspian Sea in west