Surname Гииа (Гииа 
, Giia 
, Gyya 
) , across the world, is an extremely rare last name. The family name Гииа is habitual in Georgia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and Russia. In absolute terms, this name is the most popular in India, Philippines, and Georgia. More frequently, Гииа is the forename as well as the last name.