#locality
- Bacu — The name of a locality (village) in Romania, located in Giurgiu County, administratively belonging to Joița commune. Geographically and historically, the locality is positioned within the Romanian Plain, near the Dâmbovița River and the administrative boundary with Ilfov County, being gradually integrated into the peri-urban expansion area of Bucharest.
- Bahu — The name of a locality (Bahu village in the Călărași district, Republic of Moldova) or a minor regional hydronym associated with Eastern European river basins. Etymologically, the designation is linked to old vocabulary or nicknames of Slavic/Romanian origin, representing a landmark.
- Baia — A Romanian toponym of old mining origin (derived from the regional term 'baie', meaning mine or underground excavation), especially famous through the historical locality of Baia in Suceava county, one of the earliest capitals and urban centers of the medieval state of Moldavia. The name is found in various other administrative and geographical landmarks across the Carpathian region.