Nikos' place is a perfect example why Airbnb is the best way to go when you're looking for a place to stay in Athens. The apartment is a large, new, airy studio with a full kitchen, nice-sized bathroom with full shower and a super comfortable bed. The biggest surprise was the roof terrace that had sweeping views of the city, Acropolis and Lycabettus Hill—we watched every sunset up there. They also have laundry if you need it.
The apartment's location is a minute or two walk to the Psyrri square where you can find some great tavernas and one of the best places for bougatsa in all of Athens. It's a few minutes walk to the central market and the Monesteraki metro station and Monesteraki square/flea market. It's about a 10 minute walk to Plaka and the main shopping area around Ermou and Syntagma Square. You really can't beat the location.
Communication with Nikos was great. We moved up our check in time and he accommodated our schedule graciously.
This is definitely a place I would want to stay again the next time we come back to Athens.