Björstorp is a village in Tranås Municipality, in Jönköping County, Sweden. Björstorp lies at 196 m above sea level. The nearest city is Jönköping, 43 km to the southwest. Among the landmarks around are Rök runestone (25 km), Brahehus (7.4 km) and Alvastra Abbey (24 km). Among the natural features are Gilberts hål (15.9 km).