Prelac families are mainly Croats and they are mostly from Pazin area , less frequently Italians (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar area and in Pazin. In Merišće in Buje every fifth inhabitant had the family name Prelac.
Prevalence
About 90 people with faimily name Prelac live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 10 percent. They are located in 7 Croatian counties, in 14 cities and 15 other places, mostly in Tinjan in Pazin area (<10), Momjan (<10), Delnice (<10), Sisak (<10), and in Merisce (<10).
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.