Vlaho families are Croats and they are mostly from Herzegovina. In the past century, relatively most of Croatian residents bearing this family name were born in Herzegovina (Mostar area) and in Herzegovina (Citluk area).
Prevalence
About 90 people with faimily name Vlaho live in Croatia today, in 40 households. There were 40 of them in the middle of the past century, and their number doubled. They are located in the most of Croatian counties, in 14 cities and 5 other places, mostly in Zagreb (30), Karlovac (15), Makarska (<10), Rijeka (<5), and in Pula (<5).
Outside Croatia
Family name Vlaho is present in 9 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.