Mendoza is a province in Argentina known for its vast territory, situated at the foot of the Andes, and is renowned for its wine production, hosting over 800 wineries. The Vintage Festival, celebrated since 1936, marks the grape harvest with cultural activities and is a major event featuring the crowning of a national queen. Guaymallén is a central area within Mendoza Province with a population of approximately 250,000, and the region is recognized as the 'wine capital of the world'.