Badrah
Hövsgöl
Balgatay
Dzabkhan
Baruun-Urt
Sühbaatar
Baruunsuu
Ömnögovĭ
Baruunturuun
Uvs
Bat-Öldziyt
Central Aimak
Bayan
East Gobi Aymag
Govĭ-Altay
Hentiy
East Aimak
Arhangay
Bayan Uula Sumu
Övörhangay
Bayan-Ovoo
Bayan-Uhaa
Bayan-Ulaan
Bayanbaraat
Bayanbulag
Bayanhongor
Bayandelger
Bayangol
Bayanhoshuu
Hovd
Bayansayr
Bayantal
Govĭ-Sumber
Bayantöhöm
Bayantsagaan
Bayasgalant
Bayshint
Bilüü
Bayan-Ölgiy
Bodĭ
Böhöt
Middle Govĭ
Bor-Üdzüür
Bornuur
Buga
Bugant
Selenge
Bugat
Bulgan
Bulag
Bulagiyn Denj
Bulagtay
Bumbat
Bürenhayrhan
Burgaltay
Buyanbat
Buyant
