Espai Amatller is located at the top of Casa Amatller. Owner of the house, Mr. Antoni Amatller, had his private photographic studio there. The Casa Amatller on Passeig de Gràcia in Barcelona is a masterpiece of architect Puig i Cadafalch and one of the city jewel of modernism. Together with Domènech i Muntaner’s Casa Lleó Morera and Antoni Gaudí’s Casa Batlló they called Apple of Discord.