In Croatia, Čolan families are Croats (from Hrvatska Kostajnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik.
Prevalence
About 10 people with faimily name Čolan live in Croatia today, in four households only. They are located in threee Croatian counties, two cities and another small place , mostly in Dubrovnik (<10), Dvor in Hrvatska Kostajnica area (<5), and in Velika Gorica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.