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| | Las Vegas - MSN Encarta |
 | | The seat of Clark County, Las Vegas is located in the Las Vegas Valley, a desert surrounded by the Spring Mountains to the west, Frenchman Mountain to the east, the Sheep and Las Vegas ranges to the north and the McCullough Range to the south. |
 | | The population of Las Vegas increased markedly in recent decades, rising from 164,674 in 1980 to 258,295 in 1990. |
 | | The growth of the Las Vegas metropolitan region was the fastest in the nation in the 1990s, increasing 83 percent between 1990 and 2000. |
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