In Croatia, Posa families are predominantly Croats (from Porec ), rarely Hungarians (from Beli Manastir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and in Beli Manastir area.
Prevalence
Only a few people with faimily name Posa live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Karlovac (<5) and Porec (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1923 in source Emigration Commission Zagreb.