Jazzaldia takes place across San Sebastián, Spain from July 22-26, 2026, featuring an impressive lineup of jazz, rock, pop, and soul artists from around the world. The festival showcases renowned headliners including Pat Metheny, Diana Krall, Marcus Miller, Joe Lovano, and Cécile McLorin Salvant, alongside emerging talents like Samara Joy and Julian Lage. With 33 artists representing 10 countries including the United States, France, Spain, and Argentina, the festival offers a diverse mix of traditional jazz, vocal jazz, and contemporary fusion styles. Notable international acts include Norway's Nils Petter Molvær, France's Émile Parisien, and Argentina's Quinteto Astor Piazzolla, making this a premier destination for jazz enthusiasts seeking world-class performances in Spain.

Jazzaldia is a national five-day multi-venue festival.