In Croatia, Ludvig families are generally Croats (from Pozega ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pozega.
Prevalence
About 50 people with faimily name Ludvig live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in 8 Croatian counties, in 7 cities and 5 other places, mostly in Zagreb (20), Pozega (10), Bjelovar (<10), Rijeka (<10), and in Jastrebarsko (<5).
Outside Croatia
Family name Ludvig (including: Ludwig , Ludvigh ) is present in 102 countries worldwide. "Ludwig " is used by some 50000 people in Germany , about 30000 in the United States , and some 9000 people in Brazil.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1933 in source Emigration Commission Zagreb.