Family name Sontas (Sontas 
) , all around the world, is a very rare last name. The family name Sontas is characteristic of Greece, where it is a rare surname, Israel, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Greece, the United States, and Israel. Also, Sontas is the forename as well as the last name.