In Croatia, Krstelj families are Croats (from Peljesac Peninsula ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Dubrovnik.
Prevalence
About 10 people with faimily name Krstelj live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in three Croatian cities only: in Zagreb (<5), Bakar (<5), and in Dubrovnik (<5).
Outside Croatia
Family name Krstelj is present in two countries on two continents. The family name "Krstelj " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.