Hero families are Croats and they are mostly from Rijeka. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb.
Prevalence
About 70 people with faimily name Hero live in Croatia today, in 40 households. There were 110 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 6 Croatian counties, in 7 cities and 11 other places, mostly in Rijeka (30), Baska on the Island of Krk (<10), Zagreb (<10), Liznjan in Pula area (<10), and in Pula (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.