The Tehran Zoological Garden is located on the Tehran-Karaj Expressway (km 4) near the Eram Park. This zoo covers an area of about 5 hectares and was inaugurated in 1992. Tehran Zoo houses more than 290 species.
The old zoo of Tehran was in a an off-street opposite the Mellat Park to the north of Vanak Square. However, because it was surrounded by residential blocks, the city authorities decided to move it.
... Payvand News - 03/25/16 ... --