Expo Hotel Barcelona - 4 star hotels Barcelona. Rated Good by guests. 4-star hotel has a good location close to the Barcelona Sants main railway station and the Fira Montjuïc exhibition centre. By metro 10 minutes from Plaza Catalunya and old city. 423 rooms. Facilities include a rooftop swimming pool and terrace with stunning panoramic views of Barcelona. WIFI and Parking available but not included in price. Total number of rooms 429. Part of hotel chain: Hoteles & Resort EXP.