Santa Maria dei Miracoli
and Santa Maria in Montesanto
are two 17th century churches located on the Piazza del Popolo, facing the northern gate of the Aurelian Walls, at the entrance of Via del Corso on the square.
For reference, a plan of the church is available here
The twin churches were built on the orders of Pope Alexander VII
after his predecessors had
constructed the Piazza del Popolo
. The first architect was Carlo Rainaldi
, and work was continued by Bernini
and Carlo Fontana
. The church is served by the Priests of the Sacred Heart.