Gelenčir families are Croats and they are mostly from Nova Gradiska area. In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and in Daruvar area. In Mali Miletinac in Daruvar area every seventh inhabitant had the family name Gelenčir.
Prevalence
About 130 people with faimily name Gelenčir live in Croatia today, in 60 households. There were 100 of them in the middle of the past century, and their number increased by 30 percent. They are located in 10 Croatian counties, in 15 cities and 15 other places, mostly in Nasice (15), Pozega (10), Hercegovac in Garesnica area (10), Podgorac in Nasice area (<10), and in Zagreb (<10).
Outside Croatia
Family name Gelenčir 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 2007 in source Encyclopaedia of Croatian Surnames.