In Croatia, Krstulić families are Croats (from Duga Resa ). In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj area and in Karlovac. In Mala Paka in Ozalj area every fifth inhabitant had the family name Krstulić.
Prevalence
Only a few people with faimily name Krstulić live in Croatia today, in two households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian counties, in one city and another small place , mostly in Duga Resa (<5) and Vrsar in Rovinj area (<5).
Outside Croatia
Family name Krstulić is present in three countries on two continents. The family name "Krstulic " is used by small number of people in the United States.