Gyál is a town in Pest county, Budapest metropolitan area, Hungary. It has a population of 22,552. In 1949 it had only 4,104 inhabitants. During t…Gyál is a town in Pest county, Budapest metropolitan area, Hungary. It has a population of 22,552. In 1949 it had only 4,104 inhabitants. During the socialist era, Gyál become a garden suburb of Budapest.