Grulović families are predominantly Serbs and they are mostly from Knin area , less frequently Croats (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Knin area and in Rijeka.
Prevalence
About 90 people with faimily name Grulović live in Croatia today, in 50 households. There were 220 of them in the middle of the past century, and their number decreased significantly. They are located in 9 Croatian counties, in 12 cities and 5 other places, mostly in Kistanje in Knin area (45), Sibenik (10), Rijeka (<10), Zagreb (<10), and in Bjelovar (<10).
Outside Croatia
Family name Grulović is present in 7 countries on three continents.
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.