B
- (Commune of Musigati) Bucanda
- (Commune of Musigati) Bogora
- (Commune of Musigati) Bamba
- (Commune of Musigati) Buhoro
- (Commune of Musigati) Butega
- (Rugazi) Buguye
- (Rugazi) Butanyerera
- (Rugazi) Butavuka
- (Commune of Gihanga) Butamenwa
- (Commune of Gihanga) Busongo
- (Commune of Mpanda) Butembe
- (Rugazi) Butuhurana
- (Commune of Mpanda) Butanuka
- (Commune of Gihanga) Buramata
- (Commune of Musigati) Bubenga
- (Commune of Musigati) Butaha
- (Commune of Gihanga) Buhandagaza
- (Bubanza) Buvyuko
- (Commune of Musigati) Busesamvu
- (Commune of Musigati) Buhurika
- (Bubanza) Buhororo
- (Commune of Musigati) Bukinga
- (Bubanza) Bihembe
- (Commune of Musigati) Buziraguhindwa
- (Commune of Gihanga) Buringa
- Bubanza