The Museu Nacional d'Art de Catalunya, also known as MNAC, is located in the Palau Nacional of Montjuïc, a prominent hill in Barcelona. It houses an extensive collection of Catalan art from the Romanesque period to the mid-20th century. The museum showcases paintings, sculptures, drawings, prints, and photography, providing visitors with a comprehensive overview of Catalan artistic heritage. With its stunning architecture and breathtaking views of the city, the MNAC is a must-visit museum in Plaza de España.