In Croatia, Vanić families are predominantly Croats (from Sisak ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and Slavonski Brod. In Čapljani in Hrvatska Kostajnica area every fifth inhabitant had the family name Vanić.
Prevalence
About 50 people with faimily name Vanić live in Croatia today, in 20 households. There were 80 of them in the middle of the past century, and their number decreased by 40 percent. They are only located in in 6 Croatian cities and four other places, mostly in Rijeka (15), Sisak (15), Zagreb (10), Slavonski Brod (<10), and in Vanici in Hrvatska Kostajnica area (<10).
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.