In Croatia, Kaštela families are almost entirely Croats (from Novigrad ), barely Albanians (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Novigrad.
Prevalence
About 40 people with faimily name Kaštela live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number decreased by 0 percent. They are located in four Croatian counties and another small place , mostly in Zagreb (15), Zadar (15), Novigrad (15), Rijeka (<5), and in Buzet (<5).