Fort Santa Luzia is located in Alentejo, in the city of Elvas, district of Portalegre, in Portugal.
The Santa Luzia Fort has been classified as a National Monument since 1940. Together with Fort Piedade, Fort São Francisco, Fort São Mamede and Fort São Pedro, it was part of the defense of the stronghold of Elvas and is part of the complex of the "Garrison Border Town of Elvas and its Fortifications" classified since June 30, 2012 as a World Heritage Site by UNESCO.
Repeatedly besieged during the War of Restoration of Independence, it was during the siege of the city of Elvas, led by the Spanish commander Don Luis de Haro in 1658, that the fort stood out for its defenders heroic resistance. The siege of 1658 preceded the Battle of the Lines of Elvas on 14 January 1659.
Wikipedia https://en.wikipedia.org/wiki/Fort_Santa_Luzia
Coordinates 38°52'22.012" N -7°9'30.086" E