Trbuha families are Croats and they are mostly from Klanjec. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Klanjec. In Goljak Klanječki in Klanjec every fourth inhabitant had the family name Trbuha.
Prevalence
About 70 people with faimily name Trbuha live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 8 Croatian counties, in 8 cities and 9 other places, mostly in Zagreb (15), Kraljevec na Sutli in Zabok area (<10), Goljak Klanjecki (<10), Radakovo in Zabok area (<10), and in Sesvete (<10).
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.