In Croatia, Grašin families are Croats (from Ozalj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj area. In Brlog Ozaljski in Ozalj area every fourtieth inhabitant had the family name Grašin.
Prevalence
Only a few people with faimily name Grašin live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Brlog Ozaljski in Ozalj area (<5).