Biletić families are Croats and they are mostly from middle Bosnia. According to some sources they are from Herzegovina (Citluk, Yitomislic). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Middle Bosnia (Kiseljak area). In Doci in Middle Bosnia every fifth inhabitant had the family name Biletić.
Prevalence
About 110 people with faimily name Biletić live in Croatia today, in 50 households. There were 50 of them in the middle of the past century, and their number doubled. They are located in the most of Croatian counties, in 14 cities and 22 other places, mostly in Loborika in Pula area (15), Hrboki in Labin area (15), Pula (15), Komletinci in Vinkovci area (10), and in Vir in Nin area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1938 in source Emigration Commission Zagreb.