In Croatia, Leban families are predominantly Croats (from Koprivnica area ), rarely Serbs, and very rarely Hungarians. In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica area and in Zagreb.
Prevalence
About 20 people with faimily name Leban live in Croatia today, in 12 households. There were 40 of them in the middle of the past century, and their number halved. They are located and four other Croatian places, mostly in Zagreb (<10), Prnjavor Lepavinski in Koprivnica area (<10), Koprivnica (<5), Kastel Luksic (<5), and in Zadar (<5).
Outside Croatia
Family name Leban is present in 40 countries worldwide. The family name "Leban " is used by some 300 people in France , about 300 in the United States , and some 300 people in Argentina. "Lebahn " is used by some 300 people in the United States , about 200 in Germany , and small number of people in Denmark.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.