The square retains several characteristics of 19th-century local neoclassical architecture, such as the City Hall of the Municipality of Athens and the National Bank of Greece Cultural Center.

Kotzia square lies in front of the City Hall of the Municipality of Athens,[2] (designed by Panagis Kalkos) and is decorated with busts of famous Athenians such as Pericles and Solon.

[4] In the middle of Kotzia square classical antiquities have been uncovered that include a large part of an ancient road, tombs and a small building.

[1] The square is situated just outside the ancient Acharnian Gate of Classical Athens.

There are remains of the city wall as well as extended parts of the front rampart and the moat.