Lanxess Arena is a multi-purpose indoor arena located in Cologne, Germany. Opened in 1998, it has a seating capacity of approximately 20,000 for concerts and around 18,000 for sports events. The arena hosts a variety of events, including concerts, ice hockey games, and basketball matches. The venue is home to the Kölner Haie, a professional ice hockey team, and has also hosted major events like the World Championship in various sports. Its modern facilities and central location make it a popular destination for both locals and tourists attending events throughout the year.