Tenšek families are Croats and they are mostly from Lepoglava area. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava area and in Zagreb. In places Zadravec , Martinec Orehovički and Vojnić-Breg in Lepoglava area every eighth inhabitant had the family name Tenšek.
Prevalence
About 260 people with faimily name Tenšek live in Croatia today, in 90 households. There were 180 of them in the middle of the past century, and their number increased by 40 percent. They are located in 9 Croatian counties, in 16 cities and 26 other places, mostly in Zagreb (95), in Zadravec (35) and Brestovec Orehovicki (20) in Lepoglava area, Zupanja (10), and in Galovec Zacretski in Zabok area (10).
Outside Croatia
Family name Tenšek (including: Tenshek , Tensek ) is present in two countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.