Lower Yemen

Lower Yemen (Arabic: اليمن السفلى) and Upper Yemen are traditional regions of the northern highlands of Yemen.^[1] Northern Highlands and Southern Highlands are terms more commonly used presently.

Lower Yemen Highlands near Ibb.

The Sumara Mountains just south of the town of Yarim denote the boundaries of the two regions.^[1] These two traditional regions also coincide with Gourchenour and Obermeyer's ecological zones. Major urban centers include Ibb and Taiz.^{[citation needed]}