In Croatia, Bertalan families are Croats (from Djurdjevac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Zagreb.
Prevalence
About 20 people with faimily name Bertalan live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number doubled. They are only located in threee Croatian cities and threee other places, mostly in Zagreb (<10), Cakovec (<5), Novi Ceminac in Beli Manastir area (<5), Kozarevac in Djurdjevac area (<5), and in Novska (<5).
Outside Croatia
Family name Bertalan is present in 27 countries on four continents. The family name "Bertalan " is used by some 3000 people in Hungary , about 600 in Romania , and some 300 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.