Uberkhangayskiy-Aymak - Ubsa-Aymag - Ubsa-Nuur - Ubsa-Nuur-Aymag - Ubsunurskiy-Aymag - Ubsunurskiy-Aymak - Ubsunuurskiy-Aymag - Ubsu-Aymak - Ubsu-Nur-Aimak - Uburuhangai-Pu - Ubur-Gurbain-Khid - Ubur-Gurbayn-Khid - Ubur-Hangayskiy-Aymag - Ubur-Izulugtu-Chzhisa - Ubur-Khangaiin - Ubur-Khangai-Amak - Ubur-Khangaun - Ubur-Khangayin - Ubur-Tszulugtu-Chzhisa - Ubur-Ulan-Khaylan - Ubur-Urtiyn-Urto - Ubur-Urtoyn-Urto - Ubur-Urtyyn-Urto - Ubusanoru-Pu - Uchzhigin-Talain-Dugang - Uchzhigin-Talayn-Dugang - Udde - Ude - Udei - Udeligiin-Dugan - Udeligiin-Dugang - Udeligiyn - Udeligyyn-Dugang - Udlegiin-Dugang - Ugey - Ugey-Camp - Ugey-Stanok - Ugomoriin-Bayshing - Ugorkhin-Khid - Ugtaal - Ugtaaliin-Dugang - Ugtaaltsaydam - Ugtaal-Suma - Ugtaal-Sumu - Ugtaastsaidam - Ugtamiin-Araiin-Ortoo - Ugtamiin-Hiid - Ugtumiin-Khiit - Ugtumyin-Aryyn-Urto - Ugtumyn-Aryn-Urto - Ugtumyyn-Aryyn-Urto - Ugumir - Ugumur - Ugumurin-Khid - Ugumuroyn-Khid - Ugumuryyn-Khid - Ugyrkhin-Khid - Uhaa-Hushuunii-Hiid - Uhiduud - Uhtal-Tsaydam-Sumu - Uilaga - Uilga - Uilgain-Dugang - Uilgan-Dugang - Uilgiin-Dugan - Uinchi-Sumu - Ujigiin-Talaiin-Dugang - Ukhidud - Ukhtal - Ukhtalyyn-Dugang - Ukhtal-Somon - Ulaagchin - Ulaanbaatar - Ulaanbaatar-Hot - Ulaanbaator - Ulaanbaator-Hota - Ulaanbaatur - Ulaanbadrah - Ulaanbadrakh - Ulaandel - Ulaanggom - Ulaangom - Ulaangom-Sumu - Ulaanhad - Ulaanhudag - Ulaanhus - Ulaanhust - Ulaanjirem - Ulaankhus - Ulaanshiveet - Ulaantolgoy - Ulaan-Baatar-Hoto - Ulaan-Badaraha-Suma - Ulaan-Badaraha-Sumu - Ulaan-Badarahu - Ulaan-Badarahu-Sumu - Ulaan-Chuluutayn-Dugang - Ulaan-Chuluutayn-Huryee - Ulaan-Chuluutayn-Ortoo - Ulaan-Dabaa - Ulaan-Dzuleg - Ulaan-Ergiin-Hural - Ulaan-Ergi-Hural - Ulaan-Ganjir-Hiid - Ulaan-Goom - Ulaan-Husa - Ulaan-Husa-Suma - Ulaan-Husu - Ulaan-Tolgoy - Ulaan-Tologoyn-Jisa - Ulaan-Tologoy-Hural - Ulaan-Tsulig - Ulaan-Uula - Ulaan-Uula-Suma - Ulaan-Uula-Sumu - Ulagchin - Ulaha - Ulain-Dugang - Ulakha - Ulangom - Ulankom - Ulan-Badarakhu - Ulan-Badarkhu-Somon - Ulan-Bator - Ulan-Bator-Hoto - Ulan-Chulutuin-Urto - Ulan-Chulutuin-Yurts - Ulan-Dzulek - Ulan-Ergiyn-Khural - Ulan-Ergyyn-Khural - Ulan-Ganchzhur-Khid - Ulan-Husu - Ulan-Kan - Ulan-Khusu - Ulan-Tologoyn-Chzhisa - Ulan-Tologoy-Khural - Ulan-Ula-Somon - Ula-Bayan-Monho-Sumu - Ula-Khid - Ula-Khural - Ulbayn-Munku-Somon - Uldz - Uldza - Uldzeytu - Uldzeytu-Sumu - Uldzey-Delgerehu-Sumu - Uldzit - Uldzuitu-Somon - Ulegei - Ulegey - Ulegy - Ulgey - Ulgey-Haldzan-Huryee - Ulgey-Khaltszan-Khure - Ulhanii-Mayhan - Uliassutai - Uliast - Uliastay - Ulitszey-Abugayn-Chzhisa - Uliyassutai - Uli-Khural - Uljassutai - Uljasutai - Ultseytu-Sumu - Ultszeitu - Ultszeituin-Khorsho - Ultszeituyn-Khorsho - Ultszeyto-Somon - Ultszeytu - Ultszeytuin-Khorsho - Ultszeytu-Bulagiin-Khid - Ultszeytu-Khural - Ultszeytu-Somon - Ultszey-Abugayn-Chzhisa - Ultszey-Abugay-Chzhisa - Ultszey-Delgerekhu-Somon - Ultszuitu-Somon - Ultszyitu-Somon - Ultzeytu-Somon - Ulugey-Khid - Uluntein-Dugang - Ulunteyn-Dugang - Ulyaasatay - Ulyaasata-Dugang - Ulyasutay - Ulyasuto-Dugun - Ulygani-Dugan - Umun-Gobi - Unchzhul-Somon - Under - Undoru-Han - Undurhan - Undurugegenyy-Khid - Undur-Hurmeiin-Sumu - Undur-Khan - Undur-Khan-Somon - Undur-Khurmein-Sume - Undur-Mandaroyn-Khid - Undur-Maydariin-Hiid - Undur-Maydaroyn-Khid - Undur-Maydaryyn-Khid - Undur-Shile - Undur-Shili-Sumu - Undur-Sume - Undur-Ulaan-Sumu - Undur-Untsa-Somon - Undur-Untsa-Sumu - Undzhul - Uneseteyn-Hiid - Unisutuin-Khid - Unit - Unjin-Usanii-Jisa - Unjuul-Sumu - Unt - Unuste - Uragiin-Dugang - Uragyyn-Dugang - Urambay-Suma - Uranbatoru - Urda-Goliin-Bayshing - Urdgol - Urdtamir - Urdugoliin-Bayshing - Urdu-Galiin-Bayshing - Urga - Urgamal - Urgamal-Suma - Urgo - Urgomal - Urgomal-Somon - Urgomal-Sumu - Urgumal - Urgumal-Sume - Urgun-Shirigin-Khure - Uriyasutai - Urt - Urtaiin-Dugang - Urtaiin-Hural-Hiid - Urtaiin-Suma - Urteiin-Suma - Urtogiin-Dugang - Urton-Kuytun - Urtoyn-Shuton - Urto-Bain-Khoshu - Urto-Bulan - Urto-Dolon - Urto-Dzhirgalanty - Urto-Honichi - Urto-Khangay - Urto-Khonichi - Urto-Kure-Chonitschi - Urto-Kure-Toirim - Urto-Kutul - Urto-Naran - Urto-Sharangatay - Urto-Suchzhi - Urto-Toirym - Urto-Zalatu - Urtu - Urtuin - Urtuin-Dugang - Urtuin-Sume - Urtu-Somon - Uruga - Urumbai - Urumbay-Somon - Urumkutiu - Uruzeito - Usan-Bulag - Ushigiin-Chzhisa - Ushigiin-Jisa - Utagiin-Huryee - Uteh - Utugun-Khure - Uubulan - Uujim - Uulaiin-Dugang - Uula-Bayan-Monho - Uula-Bayan-Monho-Suma - Uula-Hiid - Uula-Hural - Uulbayan - Uulbayan-Monh - Uuldza - Uurtsag-Hural - Uvs - Uvs-Aymag - Uvs-Nuur-Aymag - Uws - Uyanga - Uyanga-Somon - Uyanga-Suma - Uyangh - Uydzen - Uydzengiin-Hural - Uydzen-Ortoo - Uydzin - Uyenchi - Uyenchi-Somon - Uyenchi-Suma - Uygar - Uylga - Uylgaiin-Dugang - Uylgan-Dugang - Uyonch - Uytszengin-Khural - Uytszengir-Khural - Uytszen-Urto - Uytszen-Yurt -