The Ostseestadion is the home stadium of FC Hansa Rostock, a German association football club, located in the city of Rostock. It has a capacity of 29,000.

FC Hansa Rostock is a German association football club based in the city of Rostock, Mecklenburg-Vorpommern. The club is also called as "the cog" because of its club crest. They have emerged as one of the most successful clubs from the former East Germany after German reunification and have made several appearances in the top-flight Bundesliga. With 21,416 club members, the club is one of the largest sports clubs in Germany.