Cheap flights from Venice to Donostia / San Sebastián from £52

The Catedral del Buen Pastor de San Sebastián is a must-see building and the city's major symbol. The church is located in the 1,915-square-meter area, and you can see it's 75-metre-high tower from different corners of San Sebastián. The Cathedral of the Good Shepherd is decorated with stained-glass windows and houses one of the biggest organs in Europe. The cathedral operates from 08:00 to 12:30 and from 17:00 to 20:00. It's located at Urdaneta Kalea.

The San Sebastián Tourist Office provides all the necessary information about sightseeing, transport, events, and cafes and restaurants. In summer, it offers new guided tours to see the most-visited and unknown spots in the city. At the tourist office, you can make reservations and plan your activities in San Sebastián. Oficina de Turismo is located at 8 Alameda del Boulevard. The operating hours may vary depending on the season.

The Palace of the Duke of Mandas is a picturesque construction in the heart of the park. The building of the palace houses the Fundación Cristina Enea focused on enhancing awareness of sustainability and environmental issues. The palace serves as not only the office but an exhibition space. By a lucky chance, you can attend an interesting exhibition while strolling in the park.