Thessaloníki, also known as Thessaloniki, is a vibrant and historic city located in the region of Macedonia, Greece. As the second-largest city in the country, it serves as a major economic, cultural, and educational hub. Thessaloníki is situated on the Thermaic Gulf, offering stunning views of the Aegean Sea. The city's rich history dates back to ancient times when it was founded in 315 BC by King Cassander of Macedon, who named it after his wife, Thessalonike, the half-sister of Alexander the Great. Throughout its existence, Thessaloníki has been influenced by various civilizations, including the Romans, Byzantines, Ottomans, and Greeks, resulting in a diverse and multicultural atmosphere.