Lousã is a municipality in the district of Coimbra, in the central part of Portugal. Sanctuary of Nossa Senhora da Piedade (Portuguese: Santuário de Nossa Senhora da Piedade), vernacular religious architecture in the Revivalist era, the Marian sanctuary is actually a group of four chapels that were raised during different epochs, near the castle of Lousã, beginning with the 15th century chapel constructed from a petition of alms to King Afonso V of Portugal. Source: https://en.wikipedia.org/wiki/Lous%C3%A3