In Croatia, Grunwald families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Pozega area.
Prevalence
About 20 people with faimily name Grunwald live in Croatia today, in 14 households. They are only located in four Croatian cities and two other places, mostly in Zagreb (15), Cesljakovci in Pozega area (<5), Osijek (<5), Supetar on the Island of Brac (<5), and in Palit on the Island of Rab (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.