I traveled solo — just a side trip as part of a work trip. I was able to do exactly what I set out to do staying at Manos’ place — eat and take in the culture and history.
Manos’ place is as described. It’s centrally located, easy access to the metro and all the sites and museums (I walked everywhere the entire time I was there), clean with modern touches (lighting, bathroom, washer dryer etc), and safe. It seems tucked away among other random units, but don’t let that bother you — it’s safe, quiet (with typical city noise you can hear during waking hours), and comfortable.
Manos also offered several local recommendations, which I highly suggest you take advantage of!