Berenice Epideires (Ancient Greek: Βερενίκη ἐπὶ Δειρῆς, Steph.
§ 12), or "Berenice upon the Neck of Land", was a town on the western shore of the Red Sea.
Ptolemy II Philadelphus favored the settlement thus naming after his sister Berenice.
The straits at Deirê are contracted to the width of 60 stadia; not indeed that these are now called the Straits, for ships proceed to a further distance, and find a passage of about 200 stadia between the two continents; six islands contiguous to one another leave a very narrow passage through them for vessels, by filling up the interval between the continents.
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