most commonly known in Greek as Hadrian's Gate is a monumental gateway resembling – in some respects – a Roman triumphal arch. It spanned an ancient road from the center of Athens, Greece, to the complex of structures on the eastern side of the city that included the Temple of Olympian Zeus. It has been proposed that the arch was built to celebrate the adventus (arrival) of the Roman emperor Hadrian and to honour him for his many benefactions to the city, on the occasion of the dedication of the nearby temple complex in 131 or 132 AD.It is not certain who commissioned the arch, although it is probable that the citizens of Athens. There were two inscriptions on the arch, facing in opposite directions, naming both Theseus and Hadrian as founders of Athens. While it is clear that the inscriptions honour Hadrian, it is uncertain whether they refer to the city as a whole or to the city in two parts: one old and one

also known as the Olympieion or Columns of the Olympian Zeus, is a former colossal temple at the center of the Greek capital Athens. It was dedicated to "Olympian" Zeus, a name originating from his position as head of the Olympian gods. Construction began in the 6th century BC during the rule of the Athenian tyrants, who envisaged building the greatest temple in the ancient world, but it was not completed until the reign of the Roman Emperor Hadrian in the 2nd century AD, some 638 years after the project had begun. During the Roman period the temple, which included 104 colossal columns, was renowned as the largest temple in Greece and housed one of the largest cult statues in the ancient world.

is a war memorial located in Syntagma Square in Athens, in front of the Old Royal Palace. It is a cenotaph dedicated to the Greek soldiers killed during war. It was sculpted between 1930 and 1932 by sculptor Fokion Rok. The tomb is guarded by the Evzones of the Presidential Guard.

is a public park of 15.5 hectares (38 acres) in the center of the Greek capital, Athens. It is located between the districts of Kolonaki and Pangrati, directly behind the Greek Parliament building (The Old Palace) and continues to the South to the area where the Zappeion is located, across from the Panathenaiko or Kalimarmaro Olympic Stadium of the 1896 Olympic Games. The Garden also encloses some ancient ruins, tambourines and Corinthian capitals of columns, mosaics, and other features. On the Southeast side are the busts of Ioannis Kapodistrias, the first governor of Greece, and of the Philhellene Jean-Gabriel Eynard. On the South side are the busts of the celebrated Greek poets Dionysios Solomos, author of the Greek National Hymn, and Aristotelis Valaoritis.

is Greece's national academy, and the highest research establishment in the country.

The New Acropolis Museum is now built at the foot of the Acropolis. In June 2007 the old museum closed its doors so that its antiquities could be moved to their new home, which opened on 20 June 2009

In 1869, the Greek Parliament allocated 80,000 square metres (860,000 sq ft) of public land between the Palace Gardens and the ancient Temple of Olympian Zeus, and also passed a law on 30 November 1869, "for the building works of the Olympic Games", as the Zappeion was the first building to be erected specifically for the revival of the Olympic Games in the modern world. The ancient Panathenian stadium was also refurbished as part of the works for the Olympic Games. Following some delay, on 20 January 1874, the cornerstone of the building was laid this new building would be designed by Danish architect Theophil Hansen.Finally, on 20 October 1888, the Zappeion opened.Unfortunately for its benefactor, Evangelis Zappas, he did not live long enough to see the Zappeion built, and his cousin Konstantinos Zappas was nominated by Evangelos Zappas to complete the building.The Austrian Parliament Building was also designed by Hansen and followed the same theme in the exterior.

is situated near the center of city of Athens. It was designed by the Danish architect Theophil

n Athens houses some of the most important artifacts from a variety of archaeological locations around Greece from prehistory to late antiquity. It is considered one of the greatest museums in the world and contains the richest collection of artifacts from Greek antiquity worldwide. It is situated in the Exarcheia area in central Athens between Epirus Street, Bouboulinas Street and Tositsas Street while its entrance is on the Patission Street adjacent to the historical building of the Athens Polytechnic university.