In Croatia, Pocem families are Croats (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Rijeka.
Prevalence
Only a few people with faimily name Pocem live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, two cities and another small place , mostly in Split (<5), Ivanic-Grad (<5), and in Postira on the Island of Brac (<5).
Outside Croatia
Family name Pocem is present in 6 countries on two continents.