In Croatia, Čes families are predominantly Croats (from Osijek area ), rarely Hungarians (from Daruvar area ), and barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Belisce.
Prevalence
About 50 people with faimily name Čes live in Croatia today, in 20 households. There were 30 of them in the middle of the past century, and their number increased by 50 percent. They are located in four Croatian counties and four other places, mostly in Osijek (10), Laslovo in Osijek area (10), Valpovo (<10), Zdenci in Orahovica area (<10), and in Zagreb (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.