Tuk families are Croats and they are mostly from Novi Marof. In the past century, relatively most of Croatian residents bearing this family name were born in Novi Marof and Varazdin.
Prevalence
About 160 people with faimily name Tuk live in Croatia today, in 70 households. There were 170 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 10 Croatian counties, in 15 cities and 26 other places, mostly in Zagreb (20), Remetinec (15), Varazdin (10), Novi Marof (10), and in Rijeka (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.