Old Buda (Óbuda officially called Óbuda-Békásmegyer) is the entire 3rd district, the core around Kolossy square Protected Area, with lot of centuries-old buildings. In the east Danube, and IV. and XIII. district is bounded. In the south and southwest by the II. district the Mount area (Hegyvidék), in northwest Solymar and Üröm in north Budakalasz its neighbors. Belongs to its field the Óbuda Island as well. The district center: Florian Square and the Main Square.