In the past century, relatively most of Croatian residents bearing this family name were born in Bosnian Krajina (Prijedor area).
Prevalence
Only a few people with faimily name Chalupa live in Croatia today, in households. They are located in only one small Croatian place, in Daruvarski Brestovac in Daruvar area (<5).
Outside Croatia
Family name Chalupa is present in 28 countries worldwide. The family name "Chalupa " is used by some 3000 people in Czech Republic , about 800 in the United States , and some 500 people in Poland.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.