Casa Milà, better known as La Pedrera (Catalan for 'The Quarry'), is a building designed by the Catalan architect Antoni Gaudí and built in the years 1905–1907. It is located at 92, Passeig de Gràcia ('passeig' is Catalan for promenade or avenue) in the Eixample district of Barcelona, Catalonia, Spain. It was built for Roger Segimon de Milà. It is part of the UNESCO World Heritage Site "Works of Antoni Gaudí".