Kuštre families are Croats and they are mostly from Sinj. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Sinj.
Prevalence
About 70 people with faimily name Kuštre live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 40 percent. They are located in threee Croatian counties, in 6 cities and 5 other places, mostly in Split (25), Glavice (15), Obrovac Sinjski (10), Sinj (<10), and in Mravince (<10).
Outside Croatia
Family name Kuštre (including: Kustre , Chaustre ) is present in 9 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.