In Croatia, Grohovac families are almost entirely Croats (from Rijeka ), very rarely Slovenes (from Bakar ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Bakar.
Prevalence
About 50 people with faimily name Grohovac live in Croatia today, in 18 households. There were 70 of them in the middle of the past century, and their number decreased by 30 percent. They are located in two Croatian counties, four cities and four other places, mostly in Rijeka (25), Bakar (15), Zagreb (<5), and in Viskovo (<5) and Podhum (<5) in Rijeka area.
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States. Family name Grohovac is present in 7 countries on four continents. The family name "Grohovac " is used by small number of people in Canada and small number in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.