In Croatia, Olivani families are predominantly Croats (from Drnis area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Drnis and Sibenik.
Prevalence
Only a few people with faimily name Olivani live in Croatia today, in two households only. They are located in only two Croatian places: in Sibenik (<10) and Mirlovic Zagora in Drnis area (<5).
Outside Croatia
Family name Olivani is present in four countries on three continents. The family name "Olivani " is used by some 80 people in Brazil , small number in the United States , and small number of people in Italy.