Kallithea is a village and seat of the homonymous municipal district in the Municipality of Kassandra, Chalkidiki. It has a population of 779 (2001 census). The Kallithea Municipal District is located beside the headquarters and settlement of Pylna, with only 18 residents (2001). The main occupation of the inhabitants is the tourist business. There is a police station, kindergarten and elementary school in the village. It is 85 kilometers from Thessaloniki. It attracts hundreds of tourists each year, due to its beaches and well-developed tourist infrastructure.