About 10 people with faimily name Tatjana live in Croatia today, in households. They are located in only one small Croatian place, in Blatusa in Glina area (<5).
Outside Croatia
Family name Tatjana (including: Tatiana , Tatyana and Tatyanna ) is present in 91 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.