Karşıyaka SK is a professional sports club based in Karşıyaka, a district of Izmir, Turkey. Founded in 1912, the club is known for its rich history and strong community support. It competes in various sports, with football being the most prominent. The team's colors are green and red, and they play their home matches at the Karşıyaka Stadium. Karşıyaka SK has a passionate fan base, known as the Karşıyaka supporters, who are famous for their vibrant atmosphere during games. The club has a long-standing rivalry with Göztepe, another team from Izmir.