In Croatia, Giro families are Croats (from Dugi (Long) Island ). In the past century, relatively most of Croatian residents bearing this family name were born on Dugi, Long Island and in Split.
Prevalence
About 10 people with faimily name Giro live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Zadar (<10), Crikvenica (<5), Soline on Dugi (Long) Island (<5), and in Blato on the Island of Korcula (<5).