The North Sea Jazz Festival is held here in a crypt?, the North Sea Jazz Festival takes place in Rotterdam, the Netherlands. The festival is one of the biggest and best known jazz festivals in the world, attracting thousands of music lovers and artists from all over the world every year. It usually takes place in July and features an impressive selection of jazz, blues, soul, funk and related styles of music. In addition to performances, there will also be workshops and master classes where musicians can share their knowledge and discover new talents. The North Sea Jazz Festival is known for its great atmosphere and unforgettable musical experiences.