Hop on the Red Bus from close to Nestorion bus station and enjoy a journey in Athens town for two days! The Athens - City Sightseeing Tour operates daily between 09.00 until 18.30 (Nov-Mar) or until 21.00 (April-Oct).
Each tour takes approximately 90 minutes and has a commentary in eleven languages that traces the history and culture of Athens.  You can Hop On Hop Off from any one of the 15 stops as many times as you wish. The buses run every 30 minutes. 27 stops includeing :

Plaka Planetarium Temple of Zeus National Garderns Mikrolimano Harbour New Acropolis Museum National Archaelogical Museum Bus stations in Red and Blue Route see details in http://www.citysightseeing.gr
Syntagma Square Terminal : In front of the Post Office. Melina Merkouri / Plaka : Opposite the temple of Zeus and at the start of the pedestrian way called Dionyssiou Aeropagitou. New Acropolis Museum : At the rear of the Museum in Hatzichristou str. Acropolis & Parthenon : On the roundabout at the top of the pedestrian str. Temple of Zeus : On Amalias Av. alongside the Temple of Zeus. National Gardens : On Amalias Av. near the House of Parliament (Vouli). Benaki & Cycladic Museums : On Vassilis Sofias Av. just before the turn down into Irodou Attikou str. Panathenaic Stadium : At the end of Irodou Attikou str. opposite the Panathenaic Stadium. National Gardens : On Amalias Av. near the House of Parliament (Vouli). National Library : In front of the Museum on the opposite side of Patission str. Archeological Museum in front of the Museum on the opposite side of Patission str. Omonia Square: Directly in front of the Hondos Center Karaiskaki Square : Next to the Metro station. Monastiraki / Thession : On the corner of Ermou str. across from the station. Kotzia Square : Directly opposite the Town Hall on Athenas str.

Red Route : 90 minutes  Adult: € 20.00  Child: € 10.00  Ticket Valid for Red Routes  Child age is 6-14 years old. The Athens & Piraeus Tour (Blue Route) departs every 30 minutes from our Terminal in Akti Miaouli (near the Cruise Ship Terminal) from 08.30 until 20.00 during the months of April - October.  There are 27 stops for both lines that one can Hop On & Hop Off from as many times as one wishes - the ticket is your passport to unrivalled freedom - everyone can get off at any of the many stops to have a look round and then rejoin a later bus.  The Piraeus Tour (Blue Route) meets the Athens Tour (Red Route) after 30 minutes at our Acropolis bus stop. For both lines commentary is available in 11 languages explaining the history from ancient times until today.