The International Scientific Symposium “Nis and Byzantium” was held at the University of Nis within the scope of celebration traditional city festivities dedicated to the city patrons Saint Emperor Constantine and Empress Helen. The conference was attended by well-known Byzantium researchers from Serbia and the countries of Europe. 41 participants from Turkey, Bulgaria, Romania, Hungary, Ukraine, Russia, Greece, Northern Macedonia, Montenegro, Republika Srpska and Serbia took part with in the work of the conference. Nis City Assistant Mayor Ms. Marina Kostic met at Nis City Hall at farewell reception with the participants of this scientific symposium, which became a brand and a recognizable sign of Nis. “The participants in the symposiums Nis and Byzantium for 18 years has studied and pointed out the importance of Nis as the city for the modern European civilization. This year the conference was dedicated to the 800 years since the Autocephaly of the Serbian Church (1219-2019): Church, Politics and Art in Byzantium and Neighboring Countries.