Surname 祖基 (祖基 
, Zucchi 
) , across the world, is a common cognomen. The family name 祖基 is characteristic of San Marino, where it is quite a common surname, Italy, and Argentina, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Italy, Brazil, and Argentina. Very seldom, 祖基 is the forename as well as the last name.