Really in the heart of the city, beautiful night life, but you reside on a quiet street so no need to worry about having trouble sleeping at night. The cafe next door is amazing, and so is the ice cream shop to the right of the apartment, amazing salted caramel gelato.
The hosts are amazing and they will provide you with any information you desire, just make sure to ask them! And they also have a huge list of things to do in Lisboa if you feel stuck figuring out something for the day.