In Croatia, Greiner families are almost entirely Croats (from Ludbreg area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Ludbreg area.
Prevalence
About 40 people with faimily name Greiner live in Croatia today, in 16 households. There were 20 of them in the middle of the past century, and their number doubled. They are located in 6 Croatian counties and two other places, mostly in Zagreb (25), Nova Gradiska (<5), Martijanec in Ludbreg area (<5), Petrinja (<5), and in Sveta Nedelja in Samobor area (<5).
Outside Croatia
Family name Greiner is present in 63 countries worldwide. The family name "Greiner " is used by some 10000 people in Germany , about 10000 in the United States , and some 1000 people in France.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.