In Croatia, Giron families are Croats (from Dubrovnik ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik.
Prevalence
Only a few people with faimily name Giron live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Dubrovnik (<10) and Rijeka (<5).