In Croatia, Gardina families are mainly Croats (from Buzet area ), rarely Italians (from Buje area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Slovenia and in Buje.
Prevalence
About 20 people with faimily name Gardina live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Buje (<10), Oprtalj in Buzet area (<5), Rijeka (<5), Umag (<5), and in Kastel (<5).
Outside Croatia
At least three families with this surname emigrated from Croatia to Australia (2) and the United States (1). Family name Gardina is present in 16 countries on four continents. The family name "Gardina " is used by some 300 people in the United States , about 200 in Italy , and some 200 people in Indonesia. "Gardyna " is used by small number of people in the United States and small number in Poland.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1927 in source Emigration Commission Zagreb.