However, after four months, the Persians had run out of money, with Aristagoras also spending a great deal. Thoroughly demoralised, the expedition prepared to return to Asia Minor empty handed. Before leaving, they built a stronghold for the exiled Naxian aristocrats on the island.
Despite having been supported by the Persians for four months, the Greeks ultimately ran out of resources and Aristagoras spent lavishly as well. The expedition was left feeling utterly defeated and decided to return to Asia Minor without achieving anything. Before departing, they established a fortified settlement for the exiled Naxian aristocrats on the island.