Vorta Vor

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Vorta Vor is an ancient Vulcan / Romulan mythic concept of paradise, akin to Eden or Heaven. (TOS movie: Star Trek V: The Final Frontier)

The ancient Vulcan's believed that Vorta Vor, the Wellspring of Creation, was the home of the Ancient Ones known as the Vhorani and that this race was responsible for the creation of the Vulcan civilization. (LUG: The Way of Kolinahr: The Vulcans)

The origin of Vorta Vor on Vulcan were stated in ancient myths that spoke of a paradise that lied within the heart of the Womb of Fire. Here, the water was always sweet and the lands a paradise compared to the harsh deserts of the Vulcan homeworld. (TOS novel: Vulcan's Soul Exiles)