Genesis 10:19

To Lesa, or Laisa, to the north, on the Jordan, as Sodom was on the southern extremity of that river. Sidon and Gaza were on the Mediterranean sea, north and south; so that these four cities are like four points, determining the extent of the promised land, which, as it was important for the Israelites to know, Moses descends to these particulars in speaking of the Chanaanites.