Joshua 15:21

Now the cities at the extremity of the tribe of the sons of Judah toward the border of Edom in the south were Kabzeel and Eder and Jagur,

Genesis 35:21

Then Israel journeyed on and pitched his tent beyond the tower of Eder.

Nehemiah 11:25

Now as for the villages with their fields, some of the sons of Judah lived in Kiriath-arba and its towns, in Dibon and its towns, and in Jekabzeel and its villages,

Treasury of Scripture Knowledge

Summary

And the uttermost cities of the tribe of the children of Judah toward the coast of Edom southward were Kabzeel, and Eder, and Jagur,

Bible References

Eder

Genesis 35:21
Then Israel journeyed on and pitched his tent beyond the tower of Eder.