Based on the costumes and the setting, which dynasty or time period served as an inspiration for the historical drama series Arang?
The Joseon Dynasty founded by Yi Seong-gye in July 1392 and was replaced by the Korean Empire in October 1897.
Confirmed by the show's wiki entry.
The drama is based on famous folklore, as most ghost stories are: During the Joseon era in the city of Miryang,