Gumma-Sōja Station is a railway station on the Jōetsu Line in Maebashi, Gunma, Japan, operated by the East Japan Railway Company (JR East).LinesGumma-Sōja Station is a station on the Jōetsu Line, and is located 12.1 kilometers from the starting point of the line at.HistoryGumma-Sōja Station opened on 1 July 1921. Upon the privatization of the Japanese National Railways (JNR) on 1 April 1987, it came under the control of JR East.Surrounding area Shikishima kofun Site of Kozuke kokubun-ji Sōja Post Office