Known from ancient authors such as Herodotus, Thucydides, and Plato, and more than 2,500 inscriptions, proxeny (a form of public guest-friendship) is the best attested interstate institution of the ancient world. Proxeny and Polis offers a comprehensive re-examination of our evidence for this important Greek institution and uses it to examine the structure and dynamics of the interstate system of the Greek world, and the way in which these were transformed...