The Old Core of Zemun is an urban matrix which developedin the 18th and 19th century under special historical conditions and in a specific geopolitical position. The settlement mentioned as Zemlen in the 12th centurywas made on the foundations of the Roman Taurunum. Maintaining its continuity until the 18th century, it grew into anurban settlement of an irregular rectangular shape, with a network of mainly orthogonal streets. Material evidence of its 200-year development have been kept in the existing street grid, buildings and the long-termcontinuity of its urban, military, sanitary, educational and religious institutions, commoditystores and artisan shops. The preservedbuilding material documents the development of construction techniques and the diversity of architectural shapes, styles and cultural influences. The Old Core of Zemun has 59 streets, 6 squares and more than 900 buildings, the oldest of which include the White Bear Pub (BeliMedved), Nikolajevska Church, Karamata Houseetc. Some of the buildings belonging to this whole have been subjected to conservation and restoration treatments.