<P> It was founded in 275 BC by Ptolemy II Philadelphus ( 285 -- 246 BC ) , who named it after his mother , Berenice I of Egypt . Troglodytica refers to the aboriginal people of the region , the `` Troglodytai '' or `` cave dwellers '' . Although the name is attested by several ancient writers , the more ancient Ptolemaic inscriptions read Trogodytai ( which G.W.B. Huntingford has speculated could be related to the same root as Tuareg ) . It is possible that later copyists confused this name with the more common term Troglodytai . </P>
<P> It was founded in 275 BC by Ptolemy II Philadelphus ( 285 -- 246 BC ) , who named it after his mother , Berenice I of Egypt . Troglodytica refers to the aboriginal people of the region , the `` Troglodytai '' or `` cave dwellers '' . Although the name is attested by several ancient writers , the more ancient Ptolemaic inscriptions read Trogodytai ( which G.W.B. Huntingford has speculated could be related to the same root as Tuareg ) . It is possible that later copyists confused this name with the more common term Troglodytai . </P>
who built the port city of berenice on the red sea
who built the port city of berenice on the red sea
Ptolemy II Philadelphus
Ptolemy II Philadelphus