The Feria Nacional de San Marcos is one of the largest and most famous fairs in Mexico. It is held in Aguascalientes and includes concerts, cultural events, exhibitions, bullfighting traditions, rides, food, and large public gatherings.

For learners, the essential connection is Aguascalientes. The fair is often called “la feria de México” because of its size and national reputation. It is not a single-day holiday but a major annual fair season.