Hostal Avenida has an excellent location in downtown Madrid, with the city sights on your doorstep. Staff are very friendly and helpful. The one downside is that the rooms are, shall we say, efficient. Another way to put that is "small." If you need room to stretch out, do some yoga, pace the floor or even sort through your luggage, it won't be in this hotel. But for one or two nights, this is a great value.