In Croatia, Tendžera families are Croats (from Kastela area ). In the past century, relatively most of Croatian residents bearing this family name were born in Kastela area and in Split.
Prevalence
About 20 people with faimily name Tendžera live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five Croatian places: in Kastel Stari (15), Kastel Luksic (<5), Sibenik (<5), Brodarica (<5), and in Radosic in Kastela area (<5).
Outside Croatia
Family name Tendžera (including: Tendzera , Tendera and Tendjera ) is present in 18 countries worldwide.