Tema

south; desert, one of the sons of Ishmael, and father of a tribe so called (Gen 25:15; 1Chr 1:30; Job 6:19; Isa 21:14; Jer 25:23) which settled at a place to which he gave his name, some 250 miles south-east of Edom, on the route between Damascus and Mecca, in the northern part of the Arabian peninsula, toward the Syrian desert; the modern Teyma'.

EBD - Easton's Bible Dictionary