In Croatia, Kalandrin families are Croats (from Trogir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Split.
Prevalence
Only a few people with faimily name Kalandrin live in Croatia today, in two households only. They are only located in in one Croatian city and another small place , mostly in Split (<5) and Marina in Trogir area (<5).
Outside Croatia
Family name Kalandrin is present in 6 countries on three continents.