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Last name Abarca (Abarca , Abarka , Абарка ) , in the entire world, is a common family name. The cognomen Abarca is habitual in Latin America and the Caribbean, particularly Costa Rica, where it is a common surname, El Salvador, and Chile, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Mexico, Costa Rica, and Chile. Much less frequently, Abarca is the forename as well as the last name.