In Croatia, Belajec families are almost entirely Croats (from Kutina area ), barely Bosniaks (from Sisak area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and Glina.
Prevalence
About 50 people with faimily name Belajec live in Croatia today, in 20 households. There were 110 of them in the middle of the past century, and their number halved. They are located in four Croatian counties, in 7 cities and 8 other places, mostly in Popovaca in Kutina area (<10), Prozorje (<10), Zagreb (<10), Tisina Erdedska in Sisak area (<10), and in Sibenik (<5).
Outside Croatia
Family name Belajec is present in two countries on two continents. The family name "Belajec " is used by small number of people in the United States.