sentences:  Blaubach borders in the north on the municipality of Oberalben, in the east on the municipalities of Erdesbach and Altenglan, in the south on the town of Kusel and in the west on the municipality of Körborn.Also belonging to Blaubach are the outlying homesteads of Hotel Reweschnier and Rothengründerhof.The old village core near where the Röhrbach empties into the Blaubach spread out considerably, bit by bit, first up the dale through which the Röhrbach flows, also up the Blaubach's right bank, and then downstream as well to the mountain slopes (Matzenberg), later spreading, too, to the left bank with extensive new building areas (Am Äckerchen).