San Sebastián Day is celebrated on January 20th in the city of San Sebastián, located in the Basque Country of Spain. This festival honors the city's patron saint, Saint Sebastian, with various events, including parades, music, and traditional Basque cuisine. The highlight of the celebration is the "Tamborrada," where participants dressed in chef and soldier costumes march through the streets, playing drums and barrels. This lively event showcases the community's spirit and cultural heritage, attracting both locals and tourists to join in the festivities.