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Last name Gadea (Gadea , Гадеа , غاديا) , all over the world, is a common cognomen. The family name Gadea is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is quite a common surname, Uruguay, and Paraguay. In absolute terms, this name is the most popular in Latin America and the Caribbean, particularly Nicaragua, Argentina, and Paraguay. Very seldom, Gadea is the forename as well as the last name.