Yesaya 1:9-10

Gomora : an ancient city known for its sin whose ruins are said to be visible from the Masada,a town destroyed with Sodom by burning sulphur
(31° 9´, 35° 28´)

Sodom : an ancient town somewhere in the region of the Dead Sea that God destroyed with burning sulphur,a town 25 km south of Gomorrah and Masada
(31° 11´, 35° 23´)