In Croatia, Šimera families are Croats (from Kastel Sucurac ). In the past century, relatively most of Croatian residents bearing this family name were born in Kastel Sucurac and Split. In Kaštel Lukšić in Kastel Sucurac every fiftieth inhabitant had the family name Šimera.
Prevalence
About 40 people with faimily name Šimera live in Croatia today, in 15 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are located in two Croatian counties, four cities and four other places, mostly in Kastel Stafilic (20), Kastel Stari (<10), Kastel Luksic (<5), Trogir (<5), and in Kastel Sucurac (<5).