Stadion Miejski, also known as Stadion GOSiR, is a football stadium in Gdynia, Poland. It is the home ground of Arka, but has also hosted several international games, including those of the Poland youth national team. The stadium holds 15,139 people and replaced an obsolete ground by the same name that stood here since 1964. In 2017, it serves as one of the venues for the 2017 UEFA European Under-21 Championship and hosted several matches of the 2019 FIFA U-20 World Cup, including the third place match.