In Croatia, Blarežina families are Croats (from Labin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Labin area.
Prevalence
About 20 people with faimily name Blarežina live in Croatia today, in 10 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Pula (<10), Sajini in Labin area (<10), Marcana in Pula area (<5), Barban in Labin area (<5), and in Kujici in Pula area (<5).
Outside Croatia
Family name Blarežina is present in two countries on two continents.