In Croatia, Alavanić families are Croats (from Pleternica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica area and in Slavonski Brod.
Prevalence
About 30 people with faimily name Alavanić live in Croatia today, in 11 households. There were 40 of them in the middle of the past century, and their number decreased by 30 percent. They are located and threee other Croatian places, mostly in Slavonski Brod (<10), Banovci in Pleternica area (<10), Viskovci (<10), Zadar (<10), and in Zagreb (<5).
Outside Croatia
Family name Alavanić is present in this form only in Croatia.
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.