In Croatia, Germanis families are Croats (from Serbia ).
Prevalence
Only a few people with faimily name Germanis live in Croatia today, in one household only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in three Croatian cities only: in Rijeka (<5), Zagreb (<5), and in Split (<5).
Outside Croatia
Family name Germanis is present in 19 countries worldwide. The family name "Germanis " is used by some 400 people in Latvia , about 300 in Greece , and some 100 people in the United States , some 100 people in South Africa.
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.