Thessaloniki is the second largest city in Greece located in the north. King Cassander founded the city in 315 BC and named it after his wife Thessalonike. Throughout its history, Thessaloniki was an important city for the Romans, Byzantines, and Ottomans. Today, Thessaloniki remains a significant commercial and cultural center with a population over 1 million people in its metropolitan area. It contains many historical sites from its Roman, Byzantine, and Ottoman periods that showcase Thessaloniki's rich multicultural history.