Nentir Vale is the sample community provided as a default setting in the 4th Edition Dungeon Master's Guide. Most sourcebooks refer to the cosmology this community exists in as "the D&D world" or "points of light," though these appear to be informal names. The overall setting is one in which great empires of various races, including tieflings and dragonborn, have long ago or recently fallen. Towns and other civilization centers are colloquially referred to as "points of light," with the Dungeon Master encouraged by the guidebook to leave the rest of the world largely unplanned, vague and unpredictable. The deities presented in the 4th Edition Dungeon Master's Guide are a hodge-podge of Greyhawk, Forgotten Realms and newly created gods. What cultural uniformity exists beyond the Nentir Vale, other than the Material Plane-wide worship of some or all of these figures, is little.
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