In Croatia, Jani families are Croats (from Djakovo ). In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo and Osijek.
Prevalence
Only a few people with faimily name Jani live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only four naselja i to in Djakovo (<10), Zagreb (<5), Osijek (<5), and in Luka Ludbreska in Ludbreg area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.