Zaragoza, the capital of the Aragon region in Spain, is a hidden gem for budget travellers seeking an authentic Spanish experience. This vibrant city boasts a rich history and culture, with stunning architecture that blends Roman, Islamic, and Gothic influences. The city's most iconic landmark is the Basílica del Pilar, a magnificent baroque-style cathedral that sits on the banks of the Ebro River.

Zaragoza is also known for its lively festivals, including the Fiestas del Pilar, which takes place in October and attracts millions of visitors from around the world. During this festival, the city comes alive with music, dancing, and traditional food, such as churros and chocolate.

The city is also home to several museums and art galleries, including the Museo del Foro de Caesaraugusta, which showcases the Roman history of the city. For those interested in contemporary art, the Centro de Arte y Tecnología is a must-visit.

One of the most surprising facts about Zaragoza is that it is home to the largest freshwater aquarium in Europe, the Acuario de Zaragoza. Here, visitors can see over 500 species of aquatic animals, including sharks, rays, and sea turtles.

For budget travellers, there are plenty of free or low-cost attractions to enjoy in Zaragoza. The city's parks and gardens, such as the Parque Grande José Antonio Labordeta, offer a peaceful escape from the hustle and bustle of the city. The Aljafería Palace, a UNESCO World Heritage Site, is also free to visit on Sundays.

Zaragoza's national food is a delicious blend of Spanish and Aragonese cuisine, with dishes such as migas, a hearty bread-based dish, and ternasco, a succulent lamb dish. The city is also known for its tapas culture, with many bars and restaurants offering small plates of traditional Spanish dishes.

In conclusion, Zaragoza is a city that offers something for everyone, from its rich history and culture to its stunning architecture and delicious food. With plenty of free or low-cost attractions, it's the perfect destination for budget travellers looking to experience the best of Spain.