 Among the churches of the Alfama are Lisbon Cathedral (12th–14th centuries), the oldest of the city and located to the West of the neighbourhood, the Convent of the Grace ("Convento da Graça", 18th century), near the Castle, the mannerist Monastery of São Vicente de Fora (late 16th–18th century), where the Kings of the House of Braganza are buried, and the baroque Church of Santa Engrácia (17th century), now converted into a National Pantheon for important Portuguese personalities.Overlooking the Alfama is the mediaeval Castle of São Jorge, royal residence until the early 16th century and now offering the best views of the city.São Jorge Castle is a Moorish castle occupying a commanding hilltop overlooking the historic centre of Lisbon and Tagus River.