In Croatia, Pappo families are Croats (from Zabok area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zabok area and in Zagreb.
Prevalence
About 10 people with faimily name Pappo live in Croatia today, in four households only. They are located in only threee Croatian places: in Zagreb (<10), Strmec Sutlanski in Zabok area (<10), and in Sesvete (<5).
Outside Croatia
Family name Pappo is present in 24 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1924 in source Emigration Commission Zagreb.