In Croatia, Ropp families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Ropp live in Croatia today, in two households only. They are located in one Croatian city only, in Zagreb (<5).
Outside Croatia
Family name Ropp is present in 22 countries worldwide. The family name "Ropp " is used by some 2000 people in the United States , about 300 in Canada , and some 200 people in France.