West Siberian (Западно-Сибирский, Zapadno-Sibirsky) West Siberian Economic Region(Западно-Сибирский, Zapadno-Sibirsky) composed of: Altai Krai Altai Republic Kemerovo Oblast Khanty-Mansi Autonomous Okrug Novosibirsk Oblast Omsk Oblast Tomsk Oblast Tyumen Oblast Yamalo-Nenets Autonomous Okrug