About 30 people with faimily name Del live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian cities only, in Dubrovnik (<5) and Stari Grad on the Island of Hvar (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.