| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4301  | Böönii Hudag Bony Khuduk,Bonyy Hudag,Boonii Hudag,Böönii Hudag,Kolodets Bonyy-khuduk | Mongolia, East Aimak | well | N 48° 18′ 0'' | E 112° 43′ 0'' |
| 4302 | Bodon Usa Hudag Badon Usu Khuduk,Bodon Usa Hudag,Kolodets Bodon-usu-khuduk | Mongolia, East Gobi Aymag | well | N 44° 17′ 0'' | E 108° 46′ 0'' |
| 4303 | Biraiin Gol Biraiin Gol,Birin-gol,Biryyn gol,Bizin-gol | Mongolia, Bulgan | stream | N 48° 35′ 0'' | E 103° 12′ 0'' |
4304  | Bilüüt | Mongolia, Middle Govĭ | populated place | N 46° 19′ 0'' | E 105° 15′ 0'' |
| 4305 | Bilüünii Hudag Biluunii Hudag,Bilyunoy Khuduk Well,Bilyunöy Khuduk Well,Bilüünii Hudag,Kolodets Bilyunyy khuduk | Mongolia, Ömnögovĭ | well | N 44° 6′ 0'' | E 104° 54′ 0'' |
| 4306 | Bichigteyn Usa Hudag Bichigteyn Usa Hudag,Bichigtiin usa Hudag,Kolodets Bichigtiin usu khuduk | Mongolia, Ömnögovĭ | well | N 41° 51′ 0'' | E 104° 44′ 0'' |
| 4307 | Bichigteyn Hudag Bicbistuin Khuduk Well,Bichigteyn Hudag,Kolodets Bichigtuin khuduk | Mongolia, Central Aimak | well | N 47° 5′ 0'' | E 105° 22′ 0'' |
| 4308 | Belchir Hudag Belchir Hudag,Belgir Khuduk Well,Kolodets Belchir khuduk | Mongolia, Central Aimak | well | N 47° 21′ 0'' | E 106° 3′ 0'' |
| 4309 | Bayshintayn Bulag Bayshintayn Bulag,Rodnik Baishantin bulak,Rodnik Bayshantin bulak | Mongolia, East Aimak | spring(s) | N 49° 10′ 0'' | E 114° 36′ 0'' |
4310  | Bayan Uulaiin Oboo Bain Ulyyn Obo,Bayan Uulaiin Oboo,Bayn Uloyn Obo,Bayn Ulöyn Obo | Mongolia, East Aimak | cairn | N 47° 50′ 0'' | E 112° 57′ 0'' |
| 4311 | Bayan Uul | Mongolia, East Aimak | populated place | N 48° 59′ 0'' | E 112° 23′ 0'' |
| 4312 | Bayan Türüünii Hudag Bayan Turuunii Hudag,Bayan Türüünii Hudag,Bayn Turuni Khuduk,Kolodets Bain-Turuny-Khuduk | Mongolia, East Gobi Aymag | well | N 44° 36′ 0'' | E 109° 46′ 0'' |
| 4313 | Bayan Tsogto Oboo Bayan Tsogt Ovoo,Bayan Tsogto Oboo,Bayan-tsogtu-Obo | Mongolia, East Aimak | cairn | N 49° 54′ 0'' | E 113° 54′ 0'' |
| 4314 | Bayan Tsab Hudag Bayan Tsab Hudag,Bayan Tsav Hudag,Kolodets Bayan tsab khuduk | Mongolia, Ömnögovĭ | well | N 43° 4′ 1'' | E 103° 32′ 42'' |
| 4315 | Bayantöhöm Bayantohom,Bayantöhöm,Buren,Büren | Mongolia, Central Aimak | seat of a second-order administrative division | N 46° 55′ 0'' | E 105° 3′ 0'' |
| 4316 | Bayan Ovoo | Mongolia, Ömnögovĭ | populated place | N 43° 1′ 0'' | E 105° 32′ 0'' |
| 4317 | Bayan Oboo Bayan Obo,Bayan Oboo,Bayan Ovoo | Mongolia, Övörhangay | cairn | N 46° 16′ 0'' | E 104° 29′ 0'' |
| 4318 | Bayan Oboo Bain Obo,Bayan Oboo,Bayn Obo | Mongolia, Middle Govĭ | cairn | N 45° 18′ 0'' | E 108° 15′ 0'' |
| 4319 | Bayan-mönhö-süm | Mongolia, East Gobi Aymag | populated place | N 45° 17′ 0'' | E 111° 12′ 0'' |
| 4320 | Bayan Mönhö Oboo Bainmunku-obo,Bayan Monho Oboo,Bayan Mönhö Oboo,Baynmunku Obo | Mongolia, Hentiy | cairn | N 46° 40′ 0'' | E 111° 0′ 0'' |
| 4321 | Bayanhoshuu Bayanhushuu,Galuut | Mongolia, Bayanhongor | seat of a second-order administrative division | N 46° 42′ 7'' | E 100° 8′ 35'' |
4322  | Bayan Haan Uul | Mongolia, East Aimak | hill | N 49° 53′ 0'' | E 115° 29′ 0'' |
| 4323 | Bayangol | Mongolia, Bulgan | populated place | N 49° 31′ 0'' | E 103° 40′ 0'' |
| 4324 | Bayangiin Shanda Bayangiin Shanda,Bayinain Shanda,Kolodets Baingin-shanda | Mongolia, East Gobi Aymag | well | N 44° 27′ 0'' | E 110° 4′ 0'' |
| 4325 | Bayan Bulag Bayan Bulag,Bayan Bulak Spring,Rodnik Bain-bulak | Mongolia, Hentiy | spring(s) | N 47° 55′ 0'' | E 109° 53′ 0'' |
| 4326 | Bayan Bulag Bayan Bulag,Pa-yen-pu-ko,Rodnik Bayan bulak | Mongolia, East Gobi Aymag | spring(s) | N 42° 40′ 0'' | E 110° 0′ 0'' |
| 4327 | Bayan Bulag | Mongolia, East Aimak | populated place | N 48° 48′ 0'' | E 113° 41′ 0'' |
| 4328 | Bayak-Goliyn-Gol | Mongolia, Selenge Province | populated place | N 49° 40′ 0'' | E 107° 0′ 0'' |
| 4329 | Baruun Tsüheliin Hudag Barun Tsokhulin Khuduk,Baruun Tsuheliin Hudag,Baruun Tsüheliin Hudag,Kolodets Barun-tsykhulin-khuduk | Mongolia, Sühbaatar | well | N 46° 2′ 0'' | E 112° 45′ 0'' |
| 4330 | Baruun Tsagaan Nuuriin Hudag Baruun Tsagaan Nuuriin Hudag,Kolodets Barun tsagan nuriyn khuduk,Kolodets Barun-Tsagan-nurin | Mongolia, East Aimak | well | N 48° 31′ 0'' | E 114° 34′ 0'' |
| 4331 | Baruun Süüjiin Bulag Barun Sujin Bulak Spring,Baruun Suujiin Bulag,Baruun Süüjiin Bulag,Rodnik Barun-sudzhin bulak,Rodnik... | Mongolia, East Aimak | spring(s) | N 49° 10′ 0'' | E 114° 4′ 0'' |
| 4332 | Baruun Suhay Hudag Barun Sukhay Khuduk,Baruun Suhay Hudag,Kolodets Barun-Sukhai-khuduk,Kolodets Barun-Sukhii-khuduk | Mongolia, East Gobi Aymag | well | N 44° 16′ 0'' | E 110° 57′ 0'' |
| 4333 | Baruun Jiram Hudag Barun shzhirim khuduk Well,Baruun Jiram Hudag,Kolodets Barun chzhirim khuduk | Mongolia, Middle Govĭ | well | N 45° 23′ 0'' | E 105° 12′ 0'' |
| 4334 | Baruun-Hüree | Mongolia, Övörhangay | populated place | N 47° 3′ 0'' | E 102° 57′ 0'' |
| 4335 | Baruun Herees Hudag Baruun Herees Hudag,Kolodets Barun kheres,Kolodets Barun kheres khuduk | Mongolia, Ömnögovĭ | well | N 44° 9′ 23'' | E 105° 45′ 59'' |
| 4336 | Baruun Hashaatayn Hudag Barun Khashatoyn Khuduk,Barun Khashatöyn Khuduk,Baruun Hashaatayn Hudag,Kolodets Barun-khashatyyn-kh... | Mongolia, Hentiy | well | N 47° 19′ 0'' | E 110° 56′ 0'' |
| 4337 | Baruun Adagiin Usa Hudag Barun Adagoyn Usu Khuduk Well,Barun Adagöyn Usu Khuduk Well,Barun adagyyn usu khuduk,Baruun Adagiin ... | Mongolia, Övörhangay | well | N 45° 23′ 0'' | E 103° 27′ 0'' |
| 4338 | Bartayn Gol Bartayn Gol,Barte,Bartein gol,Reka Bartu | Mongolia, Bulgan | stream | N 49° 20′ 0'' | E 103° 18′ 0'' |
| 4339 | Barha Davaa | Mongolia, Hentiy | pass | N 48° 26′ 0'' | E 109° 20′ 0'' |
| 4340 | Balvi Horshoo | Mongolia, Hentiy | populated place | N 48° 59′ 0'' | E 110° 36′ 0'' |
| 4341 | Baltasatayn Hudag Baltasatayn Hudag,Baltosoton Khuduk,Baltosotön Khuduk,Kolodets Baltosotyn-khuduk | Mongolia, East Gobi Aymag | well | N 46° 17′ 0'' | E 110° 4′ 0'' |
| 4342 | Balmaiin Oboo Bal'moyn Obo,Bal'myyn-obo,Balmaiin Oboo,Bal’myyn-obo,Bal’möyn Obo | Mongolia, Sühbaatar | cairn | N 47° 9′ 0'' | E 113° 15′ 0'' |
| 4343 | Balga Gol Baireten Ho,Balga Gol,Boligen,Reka Baylegen | Mongolia, Bulgan | stream | N 49° 14′ 0'' | E 102° 18′ 0'' |
| 4344 | Bagiin Dugang | Mongolia, Arkhangai Province | populated place | N 47° 33′ 0'' | E 101° 18′ 0'' |
| 4345 | Baga Suji | Mongolia, Central Aimak | populated place | N 48° 19′ 0'' | E 106° 15′ 0'' |
| 4346 | Baga Sargalant | Mongolia, Central Aimak | populated place | N 48° 19′ 0'' | E 106° 48′ 0'' |
| 4347 | Baga Homogon | Mongolia, Selenge Province | mountain elevation 1234m | N 49° 10′ 12'' | E 105° 42′ 43'' |
| 4348 | Baga Dzalaa Oboo Baga Dzalaa Oboo,Baga Dzalaa Ovoo,Bagatszala Obo | Mongolia, Middle Govĭ | cairn | N 46° 10′ 0'' | E 107° 46′ 0'' |
| 4349 | Baga Dzagiin Hudag Baga Dzagiin Hudag,Baga Tsagin Khuduk Well,Kolodets Baga tszagin khuduk,Pa-ka-cha-ken-wu-su | Mongolia, Ömnögovĭ | well | N 44° 16′ 0'' | E 104° 32′ 0'' |
| 4350 | Baga Deresenii Hudag Baga Deresenii Hudag,Baga Deresunoy Khuduk Well,Baga Deresunöy Khuduk Well,Kolodets Baga Deresunyy k... | Mongolia, Middle Govĭ | well | N 46° 25′ 0'' | E 106° 39′ 0'' |
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