Hanshin Koshien Stadium , commonly referred to as simply Koshien Stadium, is a baseball park located near Kobe in Nishinomiya, Hyōgo Prefecture, Japan. The stadium was built to host the national high school baseball tournaments, and opened on August 1, 1924. It was the largest stadium in Asia at the time it was completed, with a capacity of 55,000.

Nishinomiya is a city located in Hyōgo Prefecture, Japan. As of 1 November 2022, the city had an estimated population of 484,368 in 218,948 households and a population density of 4,800 persons per km². The total area of the city is 99.98 square kilometres (38.60 sq mi). Nishinomiya is an important commercial and shipping city in the Kansai region with the third largest population in Hyōgo Prefecture. Nishinomiya is best known as the home of Kōshien Stadium, where the Hanshin Tigers baseball team plays home games and where Japan's annual high school baseball championship is held.