Katerina and her friend Nikos - who met us with the keys - were both really friendly and very helpful. The place was perfect as a base to see Athens. We stayed 8 nights and could have stayed 8 more. Mets is very close to the centre but also has a great selection of bars and restaurants with are less tourist orientated and quite fashionable.
I would recommend this place to anyone looking for a relaxed base in Athens and if i return in the future i will certainly stay there again