In Croatia, Ujdenica families are almost entirely Croats (from Ogulin area ), very rarely Montenegrins (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Ogulin area.
Prevalence
About 30 people with faimily name Ujdenica live in Croatia today, in 14 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 6 Croatian counties and four other places, mostly in Tounj in Ogulin area (<10), Zagreb (<10), Zapresic (<10), Ogulin (<10), and in Crikvenica (<10).