In Croatia, Hannich families are Croats (from Belisce ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Donji Miholjac.
Prevalence
Only a few people with faimily name Hannich live in Croatia today, in one household only. They are located in only four naselja i to in Belisce (<5), Osijek (<5), Jelsa on the Island of Hvar (<5), and in Miholjacki Porec (<5).
Outside Croatia
Family name Hannich is present in 10 countries on four continents. The family name "Hannich " is used by some 1000 people in Germany , about 300 in Paraguay , and small number of people in the United States.