In Croatia, Lupetina families are almost entirely Croats (from Pula area ), barely Slovenes, and . In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Pula area. In Bratulići in Pula area every third inhabitant had the family name Lupetina.
Prevalence
About 70 people with faimily name Lupetina live in Croatia today, in 20 households. There were 40 of them in the middle of the past century, and their number increased by 70 percent. They are located in two Croatian counties, two cities and 7 other places, mostly in Pula (35), Bratulici in Pula area (20), Matulji in Opatija area (<10), and in Liznjan (<5) and Loborika (<5) in Pula area.
Outside Croatia
Family name Lupetina is present in four countries on two continents.
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.