Johan is a male name, in Croatia principally Croatian, but also German, Slovenian and Czech. It is one of the medium frequent names in Croatia, with about fifty namesakes living there.
The relative popularity of names Johan in Croatia
The name Johan was the most popular from years 1923 to 1934, when about 25% of the persons bearing this name were born. The peak year was 1923.
Prevalence
Name Johan is present mainly in Eastern Croatia, and scarcely in Central Croatia. Most of the persons named Johan live in the following cities and municipalities: Zagreb (less than ten), Rijeka (less than ten), Zadar (less than ten).
In the sources analysed in the project Acta Croatica so far, the name is mentioned about one hundred times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.