Rioja is a designated wine region (Denominación de Origen Calificada) in northern Spain, specifically in the autonomous community of La Rioja and parts of Navarre and the Basque Country. It is Spain's most famous wine region known for red wines made primarily from Tempranillo grapes. Germany is famous for Riesling, China is not a traditional wine producer, and Australia is known for Shiraz and other varietals.