In Croatia, Klečka families are predominantly Croats (from Pakrac ), rarely Czechs (from Daruvar ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Pakrac and in Cazma area.
Prevalence
About 10 people with faimily name Klečka live in Croatia today, in four households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only four naselja i to in Daruvar (<10), Sesvete (<5), Daruvarski Vinogradi (<5), and in Soblinec (<5).
