Sithonia (Greek: Σιθωνία), also known as Longos, is a peninsula of Chalkidiki, which itself is located on a larger peninsula within Greece. The Kassandra Peninsula lies to the west of Sithonia and the Mount Athos peninsula to the east. Sithonia is also a municipality, covering the Sithonia peninsula. The seat of the municipality is the town Nikiti.Gulfs that surround the peninsula are the Singitic Gulf to the east and the Toronean Gulf to the west. The mountains Itamos and Dragoudelis are in the center of the peninsula. The landscape is covered with vineyards, forests, grasslands, shrubland and mountains. Amongst the many historic places in Sithonia is the ancient city, the castle and the church of Agios Athanasios in Toroni, the windmills in Sykia and the 16th century church in Nikiti.
Source: Wikipedia