In Croatia, Sladeček families are predominantly Croats (from Vinkovci area ), less frequently Czechs (from Kutina ). In the past century, relatively most of Croatian residents bearing this family name were born in Kutina and Vinkovci.
Prevalence
About 40 people with faimily name Sladeček live in Croatia today, in 11 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in four Croatian counties and 5 other places, mostly in Nustar in Vinkovci area (10), Banova Jaruga (<10), Ceric in Vinkovci area (<10), Veliki Zdenci (<10), and in Rijeka (<5).