Surname Valca (Valca 
) , in all the world, is a rare cognomen. The last name Valca is characteristic of Southern Europe, particularly Albania, where it is quite a rare surname, Greece, where it is a rare surname, and Italy, where it is a very rare surname. In absolute terms, this name is the most popular in Albania, Brazil, and Italy. More prevalently, Valca is the forename as well as the last name.