In Croatia, Treskanica families are mainly Croats (from Pleternica ), less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and Pleternica.
Prevalence
About 20 people with faimily name Treskanica live in Croatia today, in 9 households. There were 60 of them in the middle of the past century, and their number decreased significantly. They are only located in in 6 Croatian cities and another small place , mostly in Ratkovica (10), Brestovac in Pozega area (<10), Pozega (<5), Zagreb (<5), and in Osijek (<5).
Outside Croatia
Family name Treskanica is present in three countries.
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.