An ancient city of Thrace on the site of present-day Istanbul, Turkey. It was founded by the Greeks in the seventh century b.c. and taken by the Romans in a.d.196. Constantine I ordered the rebuilding of the city in330 and renamed it Constantinople.

• 拜占庭城在今土耳其伊斯坦布尔城址上的一座色雷斯古城。公元前7世纪时由希腊人所建。公元196年被罗马人强占。康斯坦丁一世于330年命令重建该城，并重新将之命名为康斯坦丁堡