In Croatia, Modrovčić families are Croats (from Cazma ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and Cazma. In Prokljuvani in Cazma every seventh inhabitant had the family name Modrovčić.
Prevalence
About 20 people with faimily name Modrovčić live in Croatia today, in 8 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only five naselja i to in Bjelovar (<10), Prokljuvani (<10), Zagreb (<5), Petrinja (<5), and in Bosiljevo (<5).
Outside Croatia
Family name Modrovčić is present in two countries on two continents.