Sesar families are Croats and they are mostly from Herzegovina. In the past century, relatively most of Croatian residents bearing this family name were born in Herzegovina (Siroki Brijeg area) and in Herzegovina (Mostar area). In Kočerin in Herzegovina every fifth inhabitant had the family name Sesar.
Prevalence
About 650 people with faimily name Sesar live in Croatia today, in 250 households. There were 70 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 43 cities and 46 other places, mostly in Zagreb (205), Sesvete (50), Nustar in Vinkovci area (50), Split (30), and in Osijek (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.