In Croatia, Zucalo families are almost entirely Croats (from East Herzegovine ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in East Herzegovina (Trebinje area) and in Dubrovnik. In Grebci in East Herzegovina every third inhabitant had the family name Zucalo.
Prevalence
About 30 people with faimily name Zucalo live in Croatia today, in 8 households. They are located in only five Croatian places: in Mokosica (15), Cibaca in Dubrovnik area (<10), Dubrovnik (<10), Matulji in Opatija area (<10), and in Nova Mokosica (<5).