In Croatia, Roubin families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 10 people with faimily name Roubin live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only two naselja i to in Zagreb (<10) and Sesvete (<5).
Outside Croatia
Family name Roubin is present in 21 countries worldwide. The family name "Roubin " is used by some 900 people in France , about 80 in the United States , and some 80 people in Belgium.
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.