In Croatia, Drutter families are Croats (from Split ). In the past century, relatively most of Croatian residents bearing this family name were born in Split.
Prevalence
About 20 people with faimily name Drutter live in Croatia today, in 11 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in three Croatian cities only: in Split (15), Supetar on the Island of Brac (<5), and in Sibenik (<5).
Outside Croatia
Family name Drutter is present in four countries on two continents.