In Croatia, Pleho families are Croats (from Peljesac Peninsula ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and Pakrac.
Prevalence
Only a few people with faimily name Pleho live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number halved. They are located in two Croatian counties, in one city and another small place , mostly in Daruvar (<5) and Janjina on the Peljesac peninsula (<5).
Outside Croatia
Family name Pleho (including: Plechko , Plecho ) is present in 19 countries worldwide. The family name "Pleho " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1928 in source Emigration Commission Zagreb.