From Tar Valon Library
Author: Atarah al'Norahn
Samaha is a village located in Ghealdan or Altara.
When Rand passes through Samaha on his way to Tear, his ta'veren influence causes every well in the town to go dry, causing people to mutter about the Dark One.
Moiraine, Lan, Perrin and Loial later ride through Samaha as well, searching for Rand.
(Reference: The Dragon Reborn, Chapter 33)