http://agathe.gr/guide/history_of_the_agora.html
History of the Agora The excavations of the Athenian Agora have uncovered about thirty acres on the sloping ground northwest of the Acropolis (Fig. 3). Material of all periods from the Late Neolithic to ... If I keep my health, the Hellenes will have their own sufferings to worry about, not those of the Ionians.' This threat he uttered against all Hellenes because they have agoras and buy and sell there; for the Persians themselves do not use agoras, nor do they have any."