Ladan families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Jajce area) and in Western Bosnia (Livno area).
Prevalence
About 270 people with faimily name Ladan live in Croatia today, in 100 households. They are located in the most of Croatian counties, in 29 cities and 38 other places, mostly in Zagreb (60), Jagodno (20), Sesvete (15), Selci Djakovacki (15), and in Samobor (10).
Outside Croatia
Family name Ladan (including: Laddan , Laadan , Ladhan and Lahdan ) is present in 58 countries worldwide.
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.