Surname Grya (Grya 
) , in the entire world, is a very rare cognomen. The family name Grya is characteristic of Indonesia, where it is a very rare surname, South Africa, where it is an extremely rare surname, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in Indonesia, South Africa, and the United States. Much less frequently, Grya is the forename as well as the last name.