Sofia Zoo

Sofia Zoo in Sofia, the capital of Bulgaria, was founded by royal decree on 1 May 1888, and is the oldest and largest zoological garden in Southeast Europe. It covers 36 hectares (89 acres), and, in March 2006, housed 4,850 animals representing 840 species. Today, it hosts about 2000 animals from 280 different species. The ticket pricing in 2026 charges visitors aged 3-18, students, pensioners and disabled persons 2,56 EUR, and visitors over 18 years old 5,11 EUR. Children under 3 may visit free of charge.

Source: Wikipedia (CC BY-SA 4.0) — https://en.wikipedia.org/wiki/Sofia_Zoo