In Croatia, Ludwig families are Croats (from Nasice area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice area and in Slavonski Brod.
Prevalence
Only a few people with faimily name Ludwig live in Croatia today, in four households only. They are located in only threee naselja i to in Slavonski Brod (<5), Breznica Nasicka in Nasice area (<5), and in Varazdin (<5).
Outside Croatia
Family name Ludwig is present in 98 countries worldwide. The family name "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.