In Croatia, Gjira families are Croats (from Skradin ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik.
Prevalence
Only a few people with faimily name Gjira live in Croatia today, in two households only. They are located in one Croatian city only, in Skradin (<5).
Outside Croatia
Family name Gjira is present in three countries on two continents.