Travelers are voting Panathinaiko Stadium, Ancient Agora and Greek National Opera as the best of 22 key buildings in Athens. There are 7 key buildings in Eretria a city just 32 km from Athens and 19 key buildings in Thíva which is 32 km distant. The most popular of these are Apostolos Nikolaidis Stadium in Eretria and Karaiskaki Stadium in Thíva. You can find 40 Key Building in the country of Greece and Panathinaiko Stadium is our members favorite Key Building in all of Greece. Want more? Check out our map of key buildings in Athens.