A review of "The Urban Image of Late Antique Constantinople" by Sarah Bassett. 'Although Constantinople was the most important city of the medieval Mediterranean, scholars are poorly informed about its physical fabric.'
The earliest surviving representation of the city post-conquest, and the first of several very similar bird's-eye depictions from the Uskudar (Asian) shore. Possibly itself based on a lost Giovanni Bellini map from 1480, just before Mehmet II's death.
 Constantinopel des Griechischen Keyserthumbs Hauptstatt, im Lande Thracia am Meere Gelegen Sebastian Münster
Published as part of a compendium of 546 views of the world's greatest cities, it's hard not to see this map as entirely lifted from Münster's woodcut produced 25 years earlier, with the addition of Suleiman looking Magnificent at the bottom.
 Plan de Constantinople F. Kauffer, I. B. Lechevalier
The known features of the Hebdomon ('the seventh', an area seven Roman miles from the Milion), most of which have disappeared entirely over the last century, from Demangel, R. (1945), 'Contribution a la Topographie de L’Hebdomon'.
 Istanbul, Area around the Mangana Wolfgang Müeller-Wiener
The one and only podcast coursing the millenium-long survival, near-collapse, semi-comeback and eventual eclipse of the Ῥωμαῖοι. Thankfully it's exceptional. Thoughtfully narrated, its half-hour segments combine an imperial narrative with social and economic history asides, source discussion and interviews with prominent Byzantine historians.
 Mehmed the Conqueror and the Equestrian Statue of the Augustaion J. Raby
'We know precious little about the medieval city of Constantinople —that is, not the Late Antique city built by Constantine, Theodosius, and Justinian, with which we are more familiar, but the city into which it evolved following the Dark Ages of the seventh to ninth centuries.'
 Streets and Public Spaces in Constantinople Albrecht Berger
The BBC's 'Ancient Invisible Cities' series applied 3D imaging technology to some of the greatest historical monuments from Cairo, Athens and Istanbul. While not revealing anything new, the Istanbul episode nonetheless provided this interactive 3D render of the city above, around and inside Hagia Sophia.