Bohai is a town in the Beijing municipality of China, located in the southwestern part of Huairou District. It lies within a valley, a setting that shapes its geography and separates it from the surrounding settlements.
The town is bordered by Sihai Town to the north, Yanqi and Huairou Towns to the east, Qiaozi Town to the south, and Jiuduhe Town to the southwest. These boundaries place Bohai in a cluster of small towns in Huairou District's southwestern corner.
According to the 2020 census, Bohai had a population of 12,702 residents. The town is one of several communities in the district, and its valley location and modest population are among its defining characteristics.