The Basilica of Our Lady of Mercy is a Baroque-style basilica in Barcelona, Catalonia. Our Lady of Mercy has been the patron saint of the city of Barcelona since 1687.
Wikipedia https://en.wikipedia.org/wiki/Basilica_of_Our_Lady_of_Mercy
Address 14 Carrer de la Mercè, Barcelona 08002, Spain
Coordinates 41°22'46.564" N 2°10'46.873" E