In Croatia, Hecker families are Croats (from Prelog ). In the past century, relatively most of Croatian residents bearing this family name were born in Virovitica and Prelog.
Prevalence
Only a few people with faimily name Hecker live in Croatia today, in two households only. They are located in three Croatian cities only: in Zagreb (<5), Rabac (<5), and in Sveta Marija na Krasu (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.