Načinović families are Croats and they are mostly from Labin. In the past century, relatively most of Croatian residents bearing this family name were born in Labin and Pula. In Vrećari in Labin area every third inhabitant had the family name Načinović.
About 470 people with faimily name Načinović live in Croatia today, in 210 households. There were 670 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in in 14 Croatian cities and 54 other places, mostly in Labin (95), Rijeka (65), Vinez (35), Pula (30), and in Nedescina in Labin area (25).