Gen. Juan Domingo Perón Street, in the neighborhood of San Nicolas in Buenos Aires.

[2] The church was originally designed by Italian architects Giovanni Andrea Bianchi [es; arz; it; lmo; uk] and Giovanni Battista Primoli [es; arz; pt; uk], who started the construction works around 1721.

[3] The current façade is the work of the architect Mario Buschiazzo, who completed the remodeling in 1900.

[4] Like other religious buildings of the time, the church also had a cemetery, where a large number of Buenos Aires residents, politicians and soldiers were buried.

[5] Curiously, the Merced Cemetery was located in the place where the Anglican Cathedral of St. John the Baptist of Buenos Aires was built in 1830.