For Belém, you cannot get a better location that Ana's. It is literally across the street from the famous Pasteis do Belém and a quick walk to the Torre de Belém, the Jeronimo Monastery & church, and the Botanical Gardens. It's a bit of a trek to the center of the city, but there are trams, buses, and a train to get you there. The apartment itself is beautiful and lovely. Definitely recommend this place if you can get it!