Highlights of Colours of Ostrava Details; Festival Dates: July 19-22, 2023: Venue: Dolní Vítkovice industrial area, Ostrava, Czech Republic: Major Performers Get the Interpol Setlist of the concert at Dolní oblast Vítkovice, Ostrava, Czechia on July 22, 2023 from the Summer European Tour 2023 Tour and other Interpol Setlists for free on setlist.fm! Colours of Ostrava 2024, Ostrava, Wed, July 17 2024 - Sat, July 20 2024 - check out all festival information, including the artist lineup, where to stay, ticket details, and more. nNIZ.