In Croatia, Wertheim families are Croats (from Varazdin ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Bjelovar.
Prevalence
About 30 people with faimily name Wertheim live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number tripled. They are located and 6 other Croatian places, mostly in Crno (<10), Kursanec (<10), Varazdin (<10), Porec (<5), and in Sandorovec (<5).
Outside Croatia
Family name Wertheim is present in 29 countries worldwide. The family name "Wertheim " is used by some 1000 people in the United States , about 400 in South Africa , and some 300 people in Germany.