Karşıyaka S.K. 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 a primary focus on football, basketball, and volleyball. The club's colors are green and red, and its home matches are played at the Karşıyaka Stadium. Karşıyaka S.K. has a passionate fan base known as the Karşıyaka supporters, who are known for their loyalty and enthusiasm during games. The club has a long-standing rivalry with Göztepe S.K., another prominent team in the region.