Highly recommend Numa as a self-serve hotel - clean, luxurious, lots included like welcome snacks and drinks, espresso pods in the room, and free laundry room -- not in a touristy location, easy access to bus and metro, i took walks in all directions- felt very safe. Hotels.com does NOT provide the confirmation number you need to check in: the only place I had it was a casual reference in the request for paying the city tax in the email from Numa. Then, enter that Numa number (mine ended with -1, that's part of it) to check in. I had trouble with it and thank goodness for super friendly Numa staff that happened to be there when i was trying to gain access.