In Croatia, Čukli families are Croats (from Varazdinske Toplice ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Zagreb. In Vrtlinovec in Varazdinske Toplice every fiftieth inhabitant had the family name Čukli.
Prevalence
About 20 people with faimily name Čukli live in Croatia today, in 6 households. They are located in only four naselja i to in Vrtlinovec (10), Varazdin (<10), Zagreb (<5), and in Jakopovec in Ludbreg area (<5).
Outside Croatia
Family name Čukli (including: Cukli , Csukly and Chukly ) is present in 6 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.