Family name Аро (Aro 
, Haro , Araud 
) , around the world, is a widespread cognomen. The surname Аро is characteristic of Finland, where it is quite a common surname, Peru, and Mexico (explore the name in all countries). In absolute terms, this name is the most popular in Mexico, Peru, and Nigeria. Very seldom, Аро is the forename as well as the last name.