Alaber families are Croats and they are mostly from Pleternica. In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica and Pozega.
Prevalence
About 90 people with faimily name Alaber live in Croatia today, in 30 households. There were 40 of them in the middle of the past century, and their number doubled. They are located in 7 Croatian counties, in 9 cities and four other places, mostly in Zagradje (25), Pleternica (25), Zagreb (<10), Slavonski Brod (<10), and in Pozega (<10).
Outside Croatia
Family name Alaber is present in 16 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.