The Thermaic Gulf is a body of water located in northern Greece, part of the Aegean Sea. It lies between the city of Thessaloniki and the Chalkidiki peninsula. The gulf is known for its warm waters and beautiful coastal scenery, making it a popular destination for tourists and locals alike. The region surrounding the Thermaic Gulf is rich in history and culture, with several ancient sites nearby, including the ruins of Pella, the ancient capital of Macedonia. The gulf also supports a variety of marine life and is important for local fishing and shipping activities.