City of Nis is one of the oldest cities in the Balkans, located 240km south of Serbian capital Belgrade. It is a city situated by the river Nišava with more than 250.000 inhabitants, and the centre of the Southeastern region of the country. Positioned at the crossroads, City of Niš connects the Balkans to Europe, and Europe to the Near East. That is why it has always been considered a gateway between The East and The West. It is very easy to reach City of Niš either by Constantine the Great airport or by railroad and highway. University of Niš is composed of 13 faculties with more than 20.000 students. Niš is the birthplace of the famous Roman emperor Constantine the Great who issued the Edict of Milan in 313 embracing Christianity as the official religion of the Roman Empire. In 2013, the city will host the Ecumenical Assembly of Christian Churches to mark 1700 years of Constantine’s Edict of Milan.