Francisco Narciso de Laprida was an Argentine lawyer and politician. He was a representative for San Juan at the Congress of Tucumán, and its president on July 9, 1816, when the Declaration of Independence of Argentina was declared.

San Juan is the capital and largest city of the Argentine province of San Juan in the Cuyo region, located in the Tulúm Valley, west of the San Juan River, at 650 m (2,133 ft) above mean sea level, with a population of around 112,000 as per the 2001 census [INDEC].