Kuybyshev Reservoir or Kuybyshevskoye Reservoir (Russian: Куйбышевское водохранилище, romanized: Kuybyshevskoye vodokhranilishche) is a reservoir of the middle Volga and lower Kama in Chuvashia, Mari El Republic, Republic of Tatarstan, Samara Oblast and Ulyanovsk Oblast, Russia. It is sometimes called as Samara Reservoir and informally called...