In Croatia, Ulbrih families are predominantly Croats (from Grubisno Polje ), rarely Czechs (from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Grubisno Polje and Bjelovar.
Prevalence
About 10 people with faimily name Ulbrih live in Croatia today, in 9 households. There were 40 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Zagreb (<10), Veliki Zdenci (<10), Grubisno Polje (<5), and in Koncanica in Daruvar area (<5).