- I'm sorry, but there isn't a city called Rioja. However, there is a famous wine region called Rioja located in northern Spain. The Rioja wine region is known for producing some of the finest red wines in the country. It is divided into three main sub-regions: Rioja Alta, Rioja Alavesa, and Rioja Oriental. The capital city of the region is Logroño, which is located in the province of La Rioja. Logroño is a charming city with a rich history and is a popular destination for wine lovers.