The Stoa of Attalos is a reconstructed ancient covered walkway located in the Agora of Athens, Greece. Originally built in the 2nd century BC by King Attalos II of Pergamon, it served as a marketplace and a gathering place for citizens. The stoa features a series of columns and was designed in the classical Greek architectural style. Today, the Stoa of Attalos houses the Museum of the Ancient Agora, showcasing artifacts from the surrounding area. The reconstruction, completed in the 1950s, allows visitors to experience the historical significance of this important site in Athenian life and commerce.