sentences:  Bosenbach has an outlying "Ortsteil" called Friedelhausen, which was amalgamated with the municipality on 1 January 1971 in the course of administrative restructuring in Rhineland-Palatinate.Also belonging to Bosenbach is the outlying homestead of Kelterhof, an "Aussiedlerhof" (farmstead established after the Second World War to enhance food production) built about 1970, but which is now no longer worked as a farm.Before the Thirty Years' War, Bosenbach actually had two centres.