In Croatia, Lenaz families are generally Croats (from Rijeka ), rarely Italians (also from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
About 10 people with faimily name Lenaz live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee naselja i to in Rijeka (10), and in Marinici (<5) and Viskovo (<5) in Rijeka area.
Outside Croatia
Family name Lenaz is present in 7 countries on four continents. The family name "Lenaz " is used by some 100 people in Italy , about 80 in the United States , and small number of people in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.