Exodus 15:22-23

Israel : a citizen of Israel.,a member of the nation of Israel

Marah : an encampment site where Moses made bitter water sweet
(29° 21´, 32° 56´)

Moses : a son of Amram; the Levite who led Israel out of Egypt and gave them The Law of Moses,a Levite who led Israel out of Egypt and gave them the law

Red Sea : the ocean between Egypt and the Sinai Peninsula,the sea between Egypt and Arabia
(33° 14´, 33° 28´); (30° 5´, 31° 13´); (27° 5´, 34° 46´); (31° 32´, 35° 28´); (27° 5´, 34° 46´); (31° 32´, 35° 28´); (31° 1´, 33° 51´)

Shur : the wilderness region in the NW part of the Sinai isthmus
(30° 14´, 33° 14´)

Exodus 15:27

Elim : a place (an oasis)
(29° 18´, 32° 58´)