It was built c. 360 BC. The two-aisled stoa opens towards the southeast with an outer Doric colonnade of forty-one columns and an inner Ionic colonnade of seventeen columns.
The structure was constructed approximately 360 BC. It has a two-aisled design that opens towards the southeast. The exterior is adorned with a Doric colonnade of forty-one columns, while the interior features an Ionic colonnade of seventeen columns.