Family name サイツ (Sites 
, サイツ 
) , all over the world, is quite a rare last name. The family name サイツ is habitual in the United States, where it is quite a rare surname, Greece, and New Zealand, where it is a rare surname. Measured by absolute frequency, this name is the most popular in the United States, Bangladesh, and Greece. Much less frequently, サイツ is the forename as well as the last name.