I will cut down those who live in Ashdod and the ruler of Ashkelon. I will turn to punish Ekron and the Philistines who remain will die, says the Lord God.
from the Shihur River on the border with Egypt north to the border of Ekron—all of which is counted as Canaanite but comes under the five Philistine lords of Gaza, Ashdod, Ashkelon, Gath, and Ekron. In addition there's the land of the Avvites
So they sent the Ark of God to Ekron, but as soon as it arrived, the leaders of Ekron shouted, “They've moved the Ark of the God of Israel here to kill us and our people!”
The five gold models of swellings sent by the Philistines as a guilt offering to the Lord were from the rulers of Ashdod, Gaza, Ashkelon, Gath, and Ekron.