In Croatia, Krupljanić families are Croats (from Zapresic ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 20 people with faimily name Krupljanić live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Zagreb (10), Zapresic (<10), Buzadovac in Vrbovec area (<5), Celine (<5), and in Goranec (<5).
Outside Croatia
Family name Krupljanić is present in this form only in Croatia.