| The beautiful city of Thessaloniki, the second largest city in Greece, was founded in 315 BC by Cassader who named it after his wife, Alexander the Great's half-sister. Administrative center of the north, Thessaloniki is also one of the prettiest cities in Greece. The Arch of Galerius, the church of Agia Sofia, and the White Tower, the archeological Museum, are only some of the magnificent landmarks to be seen. | |