In Croatia, Spitzer families are almost entirely Croats (from Ozalj ), very rarely Jews (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Slavonski Brod.
Prevalence
About 30 people with faimily name Spitzer live in Croatia today, in 14 households. There were 40 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in in 7 Croatian cities, mostly in Zagreb (15), Karlovac (<5), Slavonski Brod (<5), Velika Gorica (<5), and in Ozalj (<5).
Outside Croatia
Family name Spitzer (including: Shpitzer , Spietzer ) is present in 55 countries worldwide. The family name "Spitzer " is used by some 10000 people in the United States , about 7000 in Germany , and some 2000 people in Austria.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over eighty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.