In Croatia, Papo families are predominantly Croats (from Buje ), rarely Italians (also from Buje ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Herzegovina (Mostar area).
Prevalence
About 30 people with faimily name Papo live in Croatia today, in 16 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 6 Croatian counties, in 6 cities and another small place , mostly in Zagreb (15), Osijek (<10), Buje (<10), Velika Gorica (<5), and in Dubrovnik (<5).
Outside Croatia
Family name Papo (including: Pappo , Pappoo and Papoo ) is present in 61 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.