Egypt, in the Western Nile Delta- The city established by Alexander the Great after his conquest of Egypt. Alexandria was a place of great learning and advancement. The ancient library at Alexandria is known to be the largest in the Hellenistic era. Alexandria also offered a museum for the study of antiquities. Alexandria became a cultural, and scientific center of the ancient world. Also, any of a series of cities named after Alexander, and established during his reign as centers of governmental power.