Tatsuta-yama Mountain is believed to be a mountainous region located west of Tatsuta-taisha Shrine and south of Mt. Shigi, however, there is no mountain by that name on the map. 
竜田山は龍田大社の西、信貴山の南にあたる山地とされるが現在は竜田山という名称の山は地図には残っていない。