File:Byzantium 1263 historical.jpg

Summary
This is based on the public domain map https://en.wikipedia.org/wiki/Byzantine_Empire_under_the_Palaiologos_dynasty#/media/File:1263_Mediterranean_Sea.svg by https://en.wikipedia.org/wiki/User:Gabr-el, which was itself based on an earlier map I made myself which can be found on my user/talk page
 * Other information: