Bahalin is a village in West Bulgaria. It is situated in Slivnitsa municipality, Sofia region.
The village is situated 4 km south of Dragoman, 10 km northwest of Slivnitsa, 33 km north of Pernik and 40 km northwest of Sofia. Bahalin is in the most western part of Bulgaria in proximity to the border with Serbia, 13 km from the village of Kalotina where is the border checkpoint Kalotina.
The relief is mostly flat and hilly at points and its altitude is 731 m. The climate is temperate. The summer is hot and the winter is cool. The amount of precipitation is little.
The permanent population is about 9 people.
In Bahalin there are no schools, kindergartens or medical centers the nearest such are in the town of Dragoman.
In the center of the village in 1654 was built a drinking fountain "cheshma". There is a very interesting legend that the little daughter of Turkish pasha gets sick from tuberculosis. The father moves in to live in the village. The kid gets better and than her health recovers thanks to the therapeutic honey from "kiselitsi" (wild growing apples and pears). In honor of the local people that helped him the Turkish pasha builds the stone drinking fountain on which together with the Islamic symbols there is Christian crest.
The village is situated in proximity to Sofia where the people who enjoy history and architecture could visit many landmarks.