In Croatia, Grosch families are Croats (from Pakrac ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Pakrac.
Prevalence
Only a few people with faimily name Grosch live in Croatia today, in two households only. They are located in one Croatian city only, in Daruvar (<5).
Outside Croatia
Family name Grosch is present in 36 countries worldwide. The family name "Grosch " is used by some 5000 people in Germany , about 2000 in the United States , and some 700 people in South Africa.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.