Therma (Therme) was a town in ancient Mygdonia (which was later incorporated into Macedon), situated at the northeastern extremity of a great gulf of the Aegean Sea, the Thermaic Gulf. Therma was later renamed Thessalonica by Cassander. Mygdonia was an ancient territory, later conquered by Macedon, which comprised the plains around Therma (Thessalonica) together with the valleys of Klisali and Besikia, including the area of the Axios river mouth and extending as far east as Lake Bolbe. ... The Vergina Sun, a symbol associated with the Macedonian kingdom Macedon or Macedonia (from Greek ; see also List of traditional Greek place names) was the name of an ancient kingdom located in the northern-most part of ancient Greece, bordering the kingdom of Epirus on the west and the region... The Aegean Sea. ... The Thermaic Gulf (Greek ÎεÏμαÏκÏÏ ÎÏλÏοÏ, Macedonian / Slavonic : СолÑнÑки Ðалив / Solunski Zaliv) is a gulf of the Aegean Sea located immediately south of Thessaloniki, east of Pieria and Imathia, and west of Chalkidiki (prefectures of Greece). ... The White Tower The Arch of Galerius Map showing the Thessaloníki prefecture Thessaloníki (Θεσσαλονίκη) is the second-largest city of Greece and is the principal city and the capital of the Greek region of Macedonia. ... Cassander (c. ...