Rioja wine is a renowned Spanish wine produced in the Rioja region, located in the northern part of the country. It primarily uses the Tempranillo grape, known for its rich flavors and aging potential. Rioja wines are classified into categories such as Crianza, Reserva, and Gran Reserva, which indicate the aging process and quality. The region benefits from a unique climate, with a mix of Mediterranean and continental influences, allowing for the cultivation of high-quality grapes. Rioja wines are celebrated for their balance of fruitiness, acidity, and oak influence, making them popular choices for wine enthusiasts worldwide.