Grman families are Croats and they are mostly from Duga Resa area. In the past century, relatively most of Croatian residents bearing this family name were born in Duga Resa area and in Karlovac.
Prevalence
About 120 people with faimily name Grman live in Croatia today, in 50 households. There were 180 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 7 Croatian counties, in 9 cities and 15 other places, mostly in Zabljak in Duga Resa area (40), Duga Resa (30), Rijeka (15), Karlovac (10), and in Lucica in Duga Resa area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.