Otto is a male name, in Croatia principally Croatian, but also Hungarian, Czech and German. It is one of the relatively common names (among the top two thousand) in Croatia, with over a hundred namesakes living there.
The relative popularity of names Otto in Croatia
The name Otto was the most popular from years 1922 to 1938. The peak year was 1926.
Prevalence
Name Otto is relatively more common in the north of the country. Most of the persons named Otto live in the following cities and municipalities: Zagreb (about thirty), Čakovec (less than ten), Požega (less than ten).
Name Otto around the globe
See the countries where name Otto is common, frequency and prevalence at mondonomo.ai
Mentions in sources
In the sources analysed in the project Acta Croatica so far, the name is mentioned over sixty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.