In Croatia, Resiga families are Croats (from Osijek ).
Prevalence
Only a few people with faimily name Resiga live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in one Croatian city only, in Osijek (<5).
Outside Croatia
Family name Resiga is present in 12 countries on four continents. The family name "Resiga " is used by some 600 people in Romania , small number in Spain , and small number of people in the United States.