Kremenjaš families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Vitez area) and in Middle Bosnia (Zavidovici area).
Prevalence
About 80 people with faimily name Kremenjaš live in Croatia today, in 40 households. They are located in 10 Croatian counties, in 16 cities and 7 other places, mostly in Zagreb (15), Karlovac (10), Trogir (<10), Rijeka (<10), and in Slabinja in Hrvatska Kostajnica area (<10).
Outside Croatia
Family name Kremenjaš is present in two countries on two continents.
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.