Formerly known as Plaza de San Ignacio, it has been recently renamed after a missionary who helped African slaves.
More information http://www.cartagenacaribe.com/en/architecture/squares-and-streets/sanpedro.htm
Address 4-57 Calle 31, Cartagena de Indias, Colombia
Coordinates 10°25'18.154" N -75°33'2.294" E