Forum at Ostia - Credit: Wikimedia Commons
The Forum of Corporations, or the Piazzale delle Corporazioni, was the principal center of commerce and trade for the Roman Empire mainly during the Age of Augustus. Located in the major port city of Ostia, this open-air market was essential for Rome as a place of varying and exotic goods from foreign lands. Merchants gathered here to sell anything from grain and shipping services to elephants and giraffes. Read more on Wikipedia
Source: en.wikipedia.org