Thessaloniki is located in northern Greece and has a population of about 1 million people, making it the second largest city in Greece. Founded in 315 B.C., Thessaloniki has a long history and remains an important city in Greece today.
2. Thessaloniki is located in the northern part of Greece, and has a population about 1 million. Founded about 315 B.C., it is the second largest city in Greece today.