In Croatia, Valentan families are mainly Croats (from Hrvatska Kostajnica area ), rarely Italians (from Rovinj ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Slovenia and in Pula.
Prevalence
About 10 people with faimily name Valentan live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee Croatian places: in Rovinj (<10), Mracaj in Hrvatska Kostajnica area (<5), and in Rovinjsko Selo (<5).
Outside Croatia
Family name Valentan is present in 11 countries worldwide.
