Lazaneo families are Croats and they are mostly from the Island of Brac. In the past century, relatively most of Croatian residents bearing this family name were born in Split and on the Island of Brac.
Prevalence
About 70 people with faimily name Lazaneo live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 8 cities and 5 other places, mostly in Postira on the Island of Brac (35), Jelsa on the Island of Hvar (25), Split (<10), Zagreb (<5), and in Stari Grad on the Island of Hvar (<5).
Outside Croatia
Family name Lazaneo is present in 13 countries on four continents. The family name "Lazaneo " is used by some 70 people in Brazil , about 70 in Uruguay , and 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 2007 in source Encyclopaedia of Croatian Surnames.