Sandalj families are Croats and they are mostly from Opatija area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Opatija area. In Donji Kraj in Opatija area every sixth inhabitant had the family name Sandalj.
Prevalence
About 100 people with faimily name Sandalj live in Croatia today, in 50 households. There were 130 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, in 7 cities and 17 other places, mostly in Zagreb (20), Lovran in Opatija area (15), Rijeka (15), Moscenicka Draga in Opatija area (10), and in Lupoglav in Buzet area (<10).
Outside Croatia
At least four families with this surname emigrated from Croatia to the United States (3) and Sweden (1). Family name Sandalj (including: Sandali , Sandalli , Sandaly and Shandali ) is present in 33 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.