The Wakayama Line is a railway line that links Nara Prefecture to Wakayama Prefecture in Japan, operated by West Japan Railway Company. It connects Ōji Station on the Yamatoji Line to Wakayama Station on the Hanwa Line and Kisei Main Line, with through train service to JR Namba via the Yamatoji Line and to Nara via the Sakurai Line.

Nara Prefecture is a prefecture of Japan located in the Kansai region of Honshu. As of 2020, Nara Prefecture has a population of 1,321,805 and has a geographic area of 3,691 square kilometres (1,425 sq mi). Nara Prefecture borders Kyoto Prefecture to the north, Osaka Prefecture to the northwest, Wakayama Prefecture to the southwest, and Mie Prefecture to the east.