In Croatia, Kasa families are generally Croats (from Virovitica area ), very rarely Albanians (from Buzet ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Virovitica and in Virovitica area.
Prevalence
About 50 people with faimily name Kasa live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 8 cities and 7 other places, mostly in Osijek (<10), Virovitica (<10), Novi Gradac in Virovitica area (<10), Djakovo (<10), and in Sisak (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.