Jandras families are Croats and they are mostly from Zapresic. In the past century, relatively most of Croatian residents bearing this family name were born in Zapresic and Zagreb.
Prevalence
About 90 people with faimily name Jandras live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 90 percent. They are located in threee Croatian counties, threee cities and four other places, mostly in Pojatno (15), Zagreb (<10), Kupljenovo (<10), Zapresic (<5), and in Odranski Obrez (<5).
Outside Croatia
Family name Jandras is present in three countries on three continents. The family name "Jandras " is used by small number of people in Morocco and small number 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.