Gluhak families are Croats and they are mostly from Zlatar area. According to some sources they are from Krapina Selo near Konjscina. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sveti Ivan Zelina. In Šalovec in Sveti Ivan Zelina every third inhabitant had the family name Gluhak.
Prevalence
About 530 people with faimily name Gluhak live in Croatia today, in 220 households. There were 650 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 27 cities and 55 other places, mostly in Zagreb (220), Salovec (15), in Konjscina (15) and Krapina Selo (15) in Zlatar area, and in Sesvete (15).
Outside Croatia
At least 11 families with this surname emigrated from Croatia to: Germany (7), Australia (2), Austria (1), and to the United States (1). Family name Gluhak is present in 12 countries on four continents. The family name "Gluhak " is used by small number of people in the United States , small number in Germany , and small number of people in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.