In Croatia, Grbolja families are Croats (from Krizevci ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and Krizevci.
Prevalence
About 20 people with faimily name Grbolja live in Croatia today, in 11 households. They are located in four Croatian counties, threee cities and four other places, mostly in Krizevci (<10), Klostar Vojakovacki (<10), Apatovec (<5), Zagreb (<5), and in Split (<5).
Outside Croatia
Family name Grbolja is present in this form only in Croatia.