In Croatia, Greget families are Croats (from the Island of Vis ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Split.
Prevalence
About 30 people with faimily name Greget live in Croatia today, in 16 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties and another small place , mostly in Zagreb (15), Komiza on the Island of Vis (<10), Dubrovnik (<10), Split (<5), and in Rijeka (<5).
Outside Croatia
Family name Greget is present in 6 countries on four continents. The family name "Greget " is used by some 100 people in France , about 50 in the United States , and small number of people in Indonesia.
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.