Tetec families are Croats and they are mostly from Koprivnica area. In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica area and in Koprivnica.
Prevalence
About 80 people with faimily name Tetec live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 80 percent. They are located in 8 Croatian counties, in 8 cities and 10 other places, mostly in Koprivnica (40), Peteranec in Koprivnica area (15), Novigrad Podravski in Djurdjevac area (<10), Starigrad (<5), and in Daruvar (<5).
Outside Croatia
Family name Tetec 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.