In Croatia, Trojković families are generally Croats (from the Island of Lastovo ), very rarely Hungarians (also from the Island of Lastovo ). In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo and in Dubrovnik.
Prevalence
About 20 people with faimily name Trojković live in Croatia today, in 6 households. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Uble (<10) and Lastovo (<10) on the Island of Lastovo, Bosanka (<5), and in Dubrovnik (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1927 in source Emigration Commission Zagreb.