Pleić families are Croats and they are mostly from Omis area. According to some sources sa Klisa. In the past century, relatively most of Croatian residents bearing this family name were born in Omis area and in Split.
Prevalence
About 390 people with faimily name Pleić live in Croatia today, in 170 households. There were 290 of them in the middle of the past century, and their number increased by 40 percent. They are located in the most of Croatian counties, in 23 cities and 27 other places, mostly in Split (120), Zagreb (75), in Cista Velika (55) and Dugi Rat (20) in Omis area, and in Solin (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.