Plaza Mayor, the grand central square of Madrid, is a must-visit historical and architectural marvel, surrounded by three-story residential buildings with 237 breathtaking balconies facing the square. Known for its vibrant atmosphere, Plaza Mayor hosts various traditional shops and cafes and serves as the site for numerous public events, including markets, concerts, and festivals.

Best Time/Season to Visit:
The Plaza is lively throughout the year, but visiting during the Christmas market or the spring and autumn festivals provides a particularly festive experience, showcasing the square's dynamic cultural role.