Topographical map of Constantinople during the Byzantine period. Main map source: R. Janin, Constantinople Byzantine. Developpement urbain et repertoire topographique. Road network and some other details based on Dumbarton Oaks Papers 54; data on many churches, especially unidentified ones, taken from the University of New York's The Byzantine Churches of Istanbul project. Other published maps and accounts of the city have been used for corroboration.
This file was derived from: Byzantine Constantinople-en.svg:
Byzantine Constantinople-en.svg: Cplakidas
derivative work: Furfur