Acts 7:2-4

The reply of Stephen was, "Sirs--brethren and fathers--listen to me. God Most Glorious appeared to our forefather Abraham when he was living in Mesopotamia, before he settled in Haran,

Treasury of Scripture Knowledge

Summary

And Haran died before his father Terah in the land of his nativity, in Ur of the Chaldees.

Bible References

Ur

Acts 7:2
The reply of Stephen was, "Sirs--brethren and fathers--listen to me. God Most Glorious appeared to our forefather Abraham when he was living in Mesopotamia, before he settled in Haran,