In Croatia, Rittner families are predominantly Croats (from the Island of Lastovo ), rarely Macedonians (from Kutina ). In the past century, relatively most of Croatian residents bearing this family name were born in Pakrac.
Prevalence
Only a few people with faimily name Rittner live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Kutina (<10) and Uble on the Island of Lastovo (<5).
Outside Croatia
Family name Rittner is present in 24 countries worldwide. The family name "Rittner " is used by some 1000 people in Germany , about 500 in the United States , and some 200 people in Brazil.