In Croatia, Kolnrekaj families are Albanians (from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo.
Prevalence
About 10 people with faimily name Kolnrekaj live in Croatia today, in four households only. They are located in two Croatian cities only, in Zagreb (<10) and Umag (<10).
Outside Croatia
Family name Kolnrekaj is present in four countries on two continents.