Lithuanian Zoological Garden previously known as Kaunas' Zoological Garden is the oldest scientific zoo in Lithuania. It is located in an Ąžuolynas oak grove park in the south-western Žaliakalnis elderate of Kaunas. The territory of the zoo is 15.66 hectares. The zoo was founded by the renowned Lithuanian zoologist Tadas Ivanauskas and opened on 1 July 1938 with 40 animals.