In Croatia, Lewis families are Croats (from Cakovec ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Lewis live in Croatia today, in three households only. They are only located in in 6 Croatian cities, mostly in Zagreb (<10), Split (<5), Cakovec (<5), Rijeka (<5), and in Sisak (<5).