Kožljan families are Croats and they are mostly from Labin area. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Labin area. In Kožljani in Labin area every third inhabitant had the family name Kožljan.
Prevalence
About 90 people with faimily name Kožljan live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties and 9 other places, mostly in Pula (30), in Barban (20), Kozljani (20) and Zeliski (<10) in Labin area, and in Zagreb (<5).
Outside Croatia
Family name Kožljan is present in two countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.