In Croatia, Dinčec families are Croats (from Sisak area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak area and in Sisak.
Prevalence
About 20 people with faimily name Dinčec live in Croatia today, in 9 households. There were 40 of them in the middle of the past century, and their number halved. They are located in only four naselja i to in Desna Martinska Ves in Sisak area (10), Osijek (<10), Zagreb (<5), and in Sisak (<5).
Outside Croatia
Family name Dinčec 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.