山陽新幹線
is a railway station operated by West Japan Railway Company (JR West) in Yamaguchi, Yamaguchi, and is a stopping point for the Sanyō Shinkansen and the Sanyō Main Line, and serves as termini of Yamaguchi Line and Ube Line. It is also the starting station of the rapid sightseeing train "SL Yamaguchi" steam train on the Yamaguchi Line.