The book explores the history of Justiniana Prima, a city built by Emperor Justinian I (527-565) in his birthplace near Nis in present-day Serbia. Previous studies focused on determining the city's location, underestimating the significance of analyzing written sources for the reconstruction of this city's genesis and importance. Using information from Emperor Justinian's Novels XI and CXXXI, as well as Book IV of Procopius of Caesarea's De aedificiis, Stanislaw Turlej endeavors to show that Justiniana Prima's historic significance resulted from granting its Church the status of an...