Last name Ариас (Arias 
, Aryas 
, Ариас 
) , around the globe, is a widespread family name. The last name Ариас is habitual in Latin America and the Caribbean, particularly Costa Rica, where it is a widespread surname, Colombia, where it is a common surname, and the Dominican Republic (explore the name in all countries). In absolute terms, it is the most numerous in Latin America and the Caribbean, particularly Colombia, Mexico, and Argentina. Much less frequently, Ариас is the forename as well as the last name.