In Croatia, Cestnik families are predominantly Croats (from Opatija area ), rarely Slovenes (from Pula ), and very rarely Czechs (also from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Novi Marof area.
Prevalence
About 10 people with faimily name Cestnik live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Bregi in Opatija area (<10), Rijeka (<5), Pula (<5), Zagreb (<5), and in Icici (<5).
Outside Croatia
Family name Cestnik (including: Chestnykh , Cestnick ) is present in 20 countries worldwide. The family name "Cestnik " is used by some 80 people in Argentina , about 80 in the United States , and small number of people in Canada.
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.