Kvasina families are Croats and they are mostly from Omis area. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Sarajevo area) and in Middle Bosnia (Travnik area).
Prevalence
About 90 people with faimily name Kvasina live in Croatia today, in 40 households. There were 30 of them in the middle of the past century, and their number tripled. They are located in the most of Croatian counties, in 15 cities and 15 other places, mostly in Split (25), Zagreb (20), Zadvarje in Omis area (10), Satnica Djakovacka in Djakovo area (<10), and in Igrane in Makarska area (<10).
Outside Croatia
Family name Kvasina (including: Kvashina , Chuvashina and Kvashyna ) is present in 19 countries worldwide.
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.
