Moscow Zoo The Moscow Zoo was founded in 1864 by K.F.Rulje , S.A.Usov and A.P.Bogdanov. It is situated in the center of the Russian capital. The Moscow Zoo is one of the largest and oldest in the world . The Moscow Zoo has a big area. Its area is about 21.5 hectares. There are over 6500 animals in the Moscow Zoo. It is free for children. There are various fun activities for young visitors .