In Croatia, Tudjina families are Croats (from Pregrada ). In the past century, relatively most of Croatian residents bearing this family name were born in Pregrada and Zagreb.
Prevalence
Only a few people with faimily name Tudjina live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Zagreb (<5), Pregrada (<5), Zdencac (<5), and in Gorjakovo (<5).
Outside Croatia
Family name Tudjina 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.