From November 28 to January 6, Barcelona's streets are adorned with over 100 kilometers of Christmas lights, illuminating the city in festive splendor. Key areas to visit include Plaça de Catalunya, Passeig de Gràcia, and the illuminated Torre Glòries.

• Fira de Santa Llúcia: Held from November 29 to December 23, this historic market in front of the Barcelona Cathedral is the city's oldest, dating back to 1786. It offers a wide array of Christmas decorations, nativity figures, and festive crafts.

• Fira de Nadal de la Sagrada Família: Located near the iconic basilica, this market runs from November 29 to December 23 and features handmade crafts, ornaments, and local delicacies.

• Fira de Reis a la Gran Via: This market, open from December 15 to January 6, is perfect for last-minute gifts, toys, and festive treats. 

• Mercat de Nadal del Port Vell: Situated by the sea, this market runs from November 29 to January 6 and offers a Ferris wheel, light shows, and a festive atmosphere. 

• Palo Alto Xmas Market: Held on December 7-8, this bohemian market in Poblenou showcases design and artisanal products.

• Natalis at Poble Espanyol: From November 30 to January 5, this market combines the magic of Christmas with the beauty of Spanish architecture, featuring ice skating and workshops.

• Festival de Nadal at Plaça de Catalunya: Running from December 20 to 30, this festival offers free activities for the whole family, including concerts and workshops. 

During your stay, do not miss to visit the Best Christmas Markets in Spain and Most Sunny Christmas Markets in Europe.