Surname Gulaia (Гулая 
, Gulaia 
, Гулаиа ) , in the world, is a rare family name. The cognomen Gulaia is habitual in Georgia, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan. In absolute terms, it most frequently occurs in Russia, Ukraine, and Kazakhstan. Very seldom, Gulaia is the forename as well as the last name.