In Croatia, Krsan families are Croats (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula.
Prevalence
About 10 people with faimily name Krsan live in Croatia today, in two households only. They are located in only two Croatian places: in Pula (<5) and Bibici in Labin area (<5).
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.