Hanshin Koshien Stadium (Nishinomiya City, Hyogo Prefecture).
Overview (History, Features, and Attractions) Hanshin Koshien Stadium (Nishinomiya City, Hyogo Prefecture) is Japan's leading baseball stadium, opened in 1924, and is one of the nation's oldest. While beloved as the home field of the professional baseball team, the Hanshin Tigers, it also hosts the Spring Senbatsu High School Baseball Tournament and the Summer All-Japan High School Baseball Championship.