Semren families are Croats and they are mostly from Bilo, near Livno. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Vitez area) and in Western Bosnia (Livno area). In Bila in Middle Bosnia every fifth inhabitant had the family name Semren.
Prevalence
About 80 people with faimily name Semren live in Croatia today, in 30 households. They are only located in in 8 Croatian cities and 7 other places, mostly in Zagreb (55), Zapresic (<10), Kastel Kambelovac (<10), Stobrec (<10), and in Split (<5).
Outside Croatia
Family name Semren is present in 10 countries on three continents. The family name "Semren " is used by small number of people in Germany , small number in the United States , and small number of people in Canada , small number of people in France.
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.