In Croatia, Grill families are Croats (from Zapresic area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zapresic area. In Mlini in Dubrovnik area every fifth inhabitant had the family name Grill.
Prevalence
About 20 people with faimily name Grill live in Croatia today, in 8 households. There were 30 of them in the middle of the past century, and their number decreased by 50 percent. They are located in 6 Croatian counties and threee other places, mostly in Zagreb (15), Zapresic (<5), Rijeka (<5), Pula (<5), and in Nova Gradiska (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.