In Croatia, Oklen families are predominantly Croats (from Buje area ), rarely Italians (also from Buje area ). In the past century, relatively most of Croatian residents bearing this family name were born in Buje area. In Vrbani in Buje area nearly every inhabitant had the family name Oklen.
Prevalence
About 10 people with faimily name Oklen live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Vrbani in Buje area (<10) and Novigrad (<5).
Outside Croatia
Family name Oklen is present in five countries on three continents.
