In Croatia, Gerner families are Croats (from Zadar ). In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and Split.
Prevalence
Only a few people with faimily name Gerner live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian cities only, in Zadar (<10) and Kastel Stari (<5).
Outside Croatia
Family name Gerner (including: Görner , Gherner ) is present in 46 countries worldwide. The family name "Gerner " is used by some 4000 people in Germany , about 2000 in the United States , and some 400 people in Austria.