Jauk families are Croats and they are mostly from Delnice area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb. In Tusti Vrh in Delnice area every third inhabitant had the family name Jauk.
Prevalence
About 130 people with faimily name Jauk live in Croatia today, in 60 households. There were 150 of them in the middle of the past century, and their number decreased by 10 percent. They are located in the most of Croatian counties, in 18 cities and 16 other places, mostly in Zagreb (25), Rijeka (20), Skrad in Delnice area (10), Delnice (<10), and in Viskovo in Rijeka area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.