In Croatia, Jahaj families are generally Albanians (from Zupanja ), barely Croats (from Osijek ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo and in Vukovar.
Prevalence
About 60 people with faimily name Jahaj live in Croatia today, in 20 households. They are located in 9 Croatian counties, in 16 cities and 5 other places, mostly in Zupanja (20), Vinkovci (10), Zagreb (<10), Osijek (<10), and in Sesvete (<10).