In Croatia, Pirin families are Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Samobor.
Prevalence
About 50 people with faimily name Pirin live in Croatia today, in 20 households. There were 130 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties and 6 other places, mostly in Sesvete (25), Bjelovar (10), Zagreb (<10), Dugo Selo (<10), and in Veliko Trojstvo in Bjelovar area (<5).