Patala

In Hindu cosmology, Patala or Patal (पाताल, {IAST|Pātāla}) denotes the seven lower regions of the universe - which are located under the earth. Patala is often translated as underworld or netherworld. Patala is composed of seven regions or lokas, the seventh and lowest of them is also called Patala or Naga-loka, the region of the Nagas...
Found on http://en.wikipedia.org/wiki/Patala

Patala

(from the article `Alexander the Great`) On reaching Patala, located at the head of the Indus delta, he built a harbour and docks and explored both arms of the Indus, which probably then ran ...
Found on http://www.britannica.com/eb/a-z/p/27
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