from
Easton's 1897 Bible Dictionary
Sin, Wilderness of
lying between Elim and sinai (Ex. 16:1; comp. Num. 33:11, 12).
This was probably the narrow plain of el-Markha, which stretches
along the eastern shore of the Red Sea for several miles toward
the promontory of Ras Mohammed, the southern extremity of the
Sinitic Peninsula. While the Israelites rested here for some
days they began to murmur on account of the want of nourishment,
as they had by this time consumed all the corn they had brought
with them out of Egypt. God heard their murmurings, and gave
them "manna" and then quails in abundance.