In Croatia, Sas families are generally Croats (from Pozega area ), very rarely Slovaks (from Valpovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega area and in Osijek.
Prevalence
About 20 people with faimily name Sas live in Croatia today, in 10 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in four Croatian counties and two other places, mostly in Kaptol in Pozega area (<10), Osijek (<5), Kutjevo in Orahovica area (<5), Mihaljevci (<5), and in Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.