In Croatia, Lener families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Derventa area) and in Pozega.
Prevalence
About 20 people with faimily name Lener live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Klostar Ivanic in Ivanic-Grad area (<10), Sesvete (<10), Jaksic in Pozega area (<10), Zagreb (<5), and in Velika Rakovica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.