Ankara DSİ Era Gençlik ve Spor Kulübü, more commonly known as Ankara DSİ or Mamak Belediyesi Ankara DSİ Era is a Turkish professional basketball club based in Mamak, Ankara which plays Turkish Basketball League (TBL). The team was founded by State Hydraulic Works in 2011. Their home arena is Mamak Belediyesi Sports Hall with a capacity of 4,250 seats. The team sponsored by Mamak Municipality and ERA Group of Companies.