In the heart of modern Athens is Syntagma Square, or as it is called, Constitution Square. The name of the area was in honor of the Constitution that King Otto was forced to submit to the people after the military uprising of September 3, 1843. It is the oldest and most important social area was the epicenter of all commercial activities in Athens in the 19th century.

On the square is the former Royal Palace, which since 1932 housed the Greek Parliament. In the early 19th century, before the palace complex was a park, which is free for strolling local residents and visitors. But the Queen Amalia forbade ordinary people to visit the area, and then ordered to withdraw a few tanks with water, which was used by residents of nearby areas for watering the trees. Naturally, this caused an uproar among the people. In 1862, King Otto was dethroned. His place was taken by the Danish Prince George I, who held and reconstruction areas. After 10 months, an update area was reopened to public access.

March 25, 1932 Independence Day at Syntagma square was a monument to the Unknown Soldier. The guards of the Presidential Guard (evzones), dressed in national costumes, carry the clock guard of honor. Every hour passes ceremony of changing guards.

In the center is a large fountain and copies of articles from the Naples Museum, donated to the town by Lord Beauty in the 19th century.

In Syntagma Square a great transport interchange, which allows access to any corner of the city. Here cross the two main branches of the subway, ride the buses, trams and trolleybuses. In the square are the largest hotel of the city, plenty of coffee shops and restaurants where you can have a great time. Next to the building of the Greek parliament is the National Garden.

The area is the center of social and political life of Athens. There are concerts, exhibitions, demonstrations. In the period 2010-2012, the area was the center of a mass protest at the deterioration of the economic situation.