Luštica families are Croats and they are mostly from the Island of Ugljan (po nekim izvorima from Poljane). According to some sources they are from Boka Kotorska. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and on the Island of Ugljan. In Poljana on the Island of Ugljan every twentieth inhabitant had the family name Luštica.
Prevalence
About 90 people with faimily name Luštica live in Croatia today, in 40 households. There were 110 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties and 7 other places, mostly in Zadar (30), Poljana on the Island of Ugljan (20), Rijeka (15), Zagreb (<10), and in Split (<10).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Luštica is present in 7 countries on four continents. The family name "Lustica " is used by some 100 people in the United States , about 70 in Japan , and some 50 people in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.