In Croatia, Dencinger families are Croats (from Osijek ).
Prevalence
Only a few people with faimily name Dencinger live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Osijek (<5) and Slavonski Brod (<5).
Outside Croatia
Family name Dencinger is present in 9 countries on three continents. "Denzinger " is used by some 700 people in Germany , about 100 in the United States , and small number of people in Canada.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.