We had a lovely stay at Niki's, perfectly located--we could walk right outside into Plaka and were 10 minute walk (admitted a VERY hot walk, but that's what we get for Athens in July!) from the main sights. Quiet and cool; a lovely place to take a break from the heat. AND we finished each day on the roof terrace, feeling very lucky looking across to the restaurants and across Athens. Niki also arranged for the lovely and helpful Mr. Spiros to pick us up from the airport. Mr. Spiros ended up being a great source