Riga Zoo is a city-owned zoo in Riga, Latvia. It is located in Mežaparks, on the western bank of Ķīšezers lake. Riga Zoo houses around 4000 animals of nearly 500 species and is visited by 250-300,000 visitors annually. The zoo has a branch "Cīruļi" in Liepāja District, Kalvene parish, established in 1996, it has an area of 135 hectares (330 acres).