In Croatia, Tješinski families are predominantly Croats (from Daruvar area ), rarely Czechs (from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar area and in Pozega area.
Prevalence
About 20 people with faimily name Tješinski live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only four Croatian places: in Zagreb (<10), in Sirac (<10) and Gornji Sredjani (<5) in Daruvar area, and in Badljevina (<5).
Outside Croatia
Family name Tješinski is present in this form only in Croatia.