In Croatia, Nemac families are Croats (from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag and in Slovenia.
Prevalence
Only a few people with faimily name Nemac live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only two naselja i to in Umag (<5) and Savudrija (<5).
Outside Croatia
Family name Nemac (including: Nemaz , Nematz ) is present in 9 countries worldwide. The family name "Nemac " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1664 in source Catholic Church Parish Records.