Who is the northwestern  neighbor of the country that boarders Iran on the northeast?
Turkmenistan Turkmenistan ( or ; Turkmen: Türkmenistan/Түркменистан/توركمنستان , ), formerly known as Turkmenia, is a country in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north and east, Afghanistan to the southeast, Iran to the south and southwest, and the Caspian Sea to the west.
Kyrgyzstan Kyrgyzstan (Kyrgyz: Кыргызстан , "Qırğızstan", قىرعىزستان, (] ); Russian: Киргизия , "Kirgizija"), officially the Kyrgyz Republic (Kyrgyz: Кыргыз Республикасы , "Qırğız Respublikası", قىرعىز رەسپۇبلىکاسى; Russian: Кыргызская Республика "Kyrgyzskaja Respublika"), formerly known as Kirghizia or Kirgizia, is a country in Central Asia. Kyrgyzstan is a landlocked country with mountainous terrain. It is bordered by Kazakhstan to the north, Uzbekistan to the west and southwest, Tajikistan to the southwest and China to the east. Its capital and largest city is Bishkek.