In Croatia, Geiger families are almost entirely Croats (from Ivanic-Grad ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Ivanic-Grad and in Slavonski Brod.
Prevalence
About 30 people with faimily name Geiger live in Croatia today, in 15 households. There were 20 of them in the middle of the past century, and their number increased by 90 percent. They are located in 9 Croatian counties, in 9 cities and another small place , mostly in Ivanic-Grad (<10), Zagreb (<10), Slavonski Brod (<10), Varazdin (<5), and in Dubrovnik (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.