In Croatia, Tenšak families are Croats (from Krapina ). In the past century, relatively most of Croatian residents bearing this family name were born in Krapina and Zagreb.
Prevalence
About 30 people with faimily name Tenšak live in Croatia today, in 13 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, four cities and threee other places, mostly in Zagreb (15), Vidovec Petrovski (10), Zapresic (<10), Petrovsko in Krapina area (<5), and in Brdovec in Zapresic area (<5).
Outside Croatia
Family name Tenšak (including: Tensak , Tenshak ) is present in four countries on three continents. "Tenshak " is used by few people in the United States.