Almodad was an ancestor, region, or tribe in what is now Yemen.
Sheleph was a tribe in Yemen.
Hazarmaveth had a link to Hadramaut in southern Arabia.
Jerah is unknown but might have a connection to Mount Barach.
Hadoram was an Arabian tribe.
Uzal was Sana’a, an ancient capital of Yemen before Islam.
Diklah was a southern Arabian oasis in Mina.
Obal was between Hodeida and Sana’a in southwest Arabia.
Abimael was a Sabaean. These were an ancient people of southern Arabia.
Sheba was in southern Arabia (see 10:7).
Ophir was a region in southern Arabia between Sheba and Havilah. It was famous for gold (Isaiah 13:12).
Havilah: See 10:7.
Jobab might have been Jobebitai in southern Arabia.