Genesis 10:19
19 And the territory of the Canaanites extended from Sidon in the direction of Gerar as far as Gaza, and in the direction of Sodom, Gomorrah, Admah, and Zeboiim, as far as Lasha.
Genesis 20:1
Abraham and Abimelech
1 From there Abraham journeyed toward the territory of the Negeb and lived between pKadesh and Shur; and he qsojourned in rGerar.
Genesis 20:2
2 And Abraham said of Sarah his wife, s“She is my sister.” And Abimelech king of Gerar sent and took Sarah.