The German newcomer of the year will play den Atelier in September next year.
Known for his hits including "Rooftop", "Safe" and "Oh Hello", Nico Santos was voted most successful radio artist of the year in 2018.
With 110,000 radio plays, Santos stood toe to toe with international superstars such as Ed Sheeran or Pink, and was nominated for the German "Bambi" media prize.
2019 was a successful year for Santos, with songs such as "Unforgettable" and "Better". He recently released new single "Play with Fire" and announced his first show in Luxembourg in 2021.
Tickets go on sale on Friday 26 June at 10am on the den Atelier website.