Lešić families are usually Croats and they are mostly from Zupanja area. According to some sources they are from the Island of Lastovo, very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zupanja area and in Vinkovci.
About 1000 people with faimily name Lešić live in Croatia today, in 430 households. There were 740 of them in the middle of the past century, and their number increased by 40 percent. They are located in almost all Croatian counties, in 52 cities and 67 other places, mostly in Bosnjaci in Zupanja area (280), Zagreb (145), Zupanja (135), Babina Greda in Zupanja area (95), and in Split (40).