Tuhtan families are Croats and they are mostly from Opatija. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Opatija.
Prevalence
About 90 people with faimily name Tuhtan live in Croatia today, in 30 households. There were 100 of them in the middle of the past century, and their number decreased by 20 percent. They are located in threee Croatian counties, in 6 cities and 11 other places, mostly in Rijeka (30), Kastav (20), Matulji in Opatija area (<10), Trviz (<10), and in Trinajstici (<10).
Outside Croatia
Family name Tuhtan is present in 10 countries worldwide. The family name "Tuhtan " is used by some 50 people in the United States , small number in Germany , and small number of people in Australia. "Tuchtan " is used by some 70 people in Italy , small number in the United States , and small number of people in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.