In Croatia, Hromek families are Croats (from Koprivnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica area. In Donji Maslarac in Koprivnica area every ninth inhabitant had the family name Hromek.
Prevalence
About 10 people with faimily name Hromek live in Croatia today, in three households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only one small Croatian place, in Donji Maslarac in Koprivnica area (<10).