Map of the Middle East c.1389. Serbia has been reduced to vassal status and Byzantium (orange) consists only of Constantinople and a few outer posts. Following the occupation of Gallipoli, the Ottomans (dark green) rapidly spread across the Balkans giving them a major advantage over their Turkic (green) rivals in Anatolia.
1389 Mediterranean Sea.PNG
1389 Mediterranean Sea.PNG: Shizhao
derivative work: Rowanwindwhistler (talk)