This area is referred to as Ionia. This would be the coast of modern-day Turkey. We are out here on the Anatolian Peninsula. And these rebellions, in 498 BCE, the rebels are able to take over and burn down Sardis, which is under Persian control. The Persians under Darius are not happy about this. So they send a force to take back control, and also to get a little bit of revenge. Because when the rebels were able to take over Sardis, they had help from some of their Greek brethren.