Book here,it’s the best choice. Very clean,amenities in good condition,central located, convenient to go anywhere. A little noisy at night,but you can still enjoy a good sleep as the bed is so comfortable,trust me! Directions:Recoletos,and you can find the Centro Colon easily facing Monumento a Colon .No cercanias available now(from June to November,but you can take SE and it passes airport, atocha and chamatin maybe, and it’s free.)
I really love this place and Madrid,definitely come back again.