Eastern Iran consists of the Lut Desert, the mountains ranges bordering Turkmenistan, Afghanistan and Pakistan, and the coastal strip of the Gulf of Oman. It includes the provinces of North Khorasan, Razavi Khorasan, South Khorasan and Sistan and Baluchestan sharing border with Turkmenistan, Afghanistan and Pakistan. Some references also count Kerman Province to this region. The major cities are Mashhad, Zahedan, Bojnurd, Birjand, Zabol, Chabahar and Neyshabur and sometimes Kerman. Climate Hot desert climate in the plains and the south. Cold desert climate in the north. cold semi-arid climate in the mountain ranges. See also Northern Iran Western Iran Southern Iran Central Iran Northwestern Iran References Subdivisions of Iran