The visit is an attempt to repair ties with Britain's European neighbours after years of strained relations as a result of Brexit.
The visit is significant because it will be a British monarch's first state visit since 2015.
The trip will take place from March 26 to March 31, and Charles will be accompanied by the queen consort Camilla.
The emphasis will be on environmental preservation and cooperation in the Ukraine war.
British Prime Minister Rishi Sunak announced a breakthrough in negotiations over the post-Brexit trading arrangements for Northern Ireland.