Siddim

Siddim,

in the Bible, locale of the battle of the kings, said to mean the valley of the Dead Sea.
References in classic literature ?
In the valley of Siddim were five - Adrah, Zeboin, Zoar, Sodom and Gomorrah.
Tenders are invited for Construction of siddim road upto cutting stage phase i
The plain of Jordan was located in the "vale of Siddim, which is the salt sea" (Genesis 14:3), described in Blake's Jerusalem (89:27) as the "Dead Sea by Sodom & Gomorrah[h]," cites which were flooded over (Gomorrah means submersion).