Judges 1:18

Also [the warriors of] Judah captured Gaza with its territory and Ashkelon with its territory and Ekron with its territory.

Joshua 11:22

There were no Anakim left in the land of the children of Israel; only in Gaza, in Gath, and in Ashdod [of Philistia] some remained.

Judges 3:3

The remaining nations are: the five lords (governors) of the Philistines, all the Canaanites, the Sidonians, and the Hivites who lived on Mount Lebanon from Mount Baal-hermon to the entrance of Hamath.

Exodus 23:31

I will establish your borders from the Red Sea to the Sea of the Philistines (the Mediterranean), and from the wilderness to the River Euphrates; for I will hand over the residents of the land to you, and you shall drive them out before you.

Joshua 13:3

from the Shihor [waterway] which is east of Egypt [at the southern end of Canaan], northward to the border of Ekron (all of it regarded as Canaanite); the five rulers of the Philistines: the Gazite, Ashdodite, the Ashkelonite, the Gittite, the Ekronite; and the Avvite

Joshua 15:45-47

Ekron, with its towns and villages;

Judges 16:1-2

Then Samson went to Gaza and saw a prostitute there, and went in to her.

Judges 16:21

Then the Philistines seized him and gouged out his eyes; and they brought him down to Gaza and bound him with [two] bronze chains; and he was forced to be a grinder [of grain into flour at the mill] in the prison.

1 Samuel 6:17

These are the golden tumors which the Philistines returned as a guilt offering to the Lord: one for Ashdod, one for Gaza, one for Ashkelon, one for Gath and one for Ekron [the five chief cities of the Philistines];

Treasury of Scripture Knowledge

Summary

Also Judah took Gaza with the coast thereof, and Askelon with the coast thereof, and Ekron with the coast thereof.

Bible References

Gaza

Judges 3:3
The remaining nations are: the five lords (governors) of the Philistines, all the Canaanites, the Sidonians, and the Hivites who lived on Mount Lebanon from Mount Baal-hermon to the entrance of Hamath.
Judges 16:1
Then Samson went to Gaza and saw a prostitute there, and went in to her.
Exodus 23:31
I will establish your borders from the Red Sea to the Sea of the Philistines (the Mediterranean), and from the wilderness to the River Euphrates; for I will hand over the residents of the land to you, and you shall drive them out before you.
Joshua 11:22
There were no Anakim left in the land of the children of Israel; only in Gaza, in Gath, and in Ashdod [of Philistia] some remained.
Joshua 13:3
from the Shihor [waterway] which is east of Egypt [at the southern end of Canaan], northward to the border of Ekron (all of it regarded as Canaanite); the five rulers of the Philistines: the Gazite, Ashdodite, the Ashkelonite, the Gittite, the Ekronite; and the Avvite
Joshua 15:45
Ekron, with its towns and villages;
1 Samuel 6:17
These are the golden tumors which the Philistines returned as a guilt offering to the Lord: one for Ashdod, one for Gaza, one for Ashkelon, one for Gath and one for Ekron [the five chief cities of the Philistines];