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.
Kurds of Khorasan The Kurds of Khorasan or Khorassani Kurds (Kurdish: Kurdên Xorasanê‎ , Persian: کردهای خراسان‎ ‎ ) are Kurds native to northeastern Iran, across the Iran-Turkmenistan border. They inhabit much of North Khorasan province, northern and northwestern parts of Razavi Khorasan province, as well as parts of Golestan province.