Surname Grety (Grety 
) , throughout the world, is a rare last name. The last name Grety is habitual in Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare surname, Nicaragua, and Mexico. Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Mexico, the Dominican Republic, and Venezuela. Likewise, Grety is the forename as well as the last name.