Zarratón is a village and municipality in the province and autonomous community of La Rioja, in northern Spain. It lies within the Ebro Valley region of La Rioja, a part of the country known for its wine production and for a string of small historic settlements along the Ebro river corridor.
The municipality covers an area of 18.69 square kilometres (7.22 square miles). As of 2011, its population was 318 people, making it one of the many small rural municipalities that characterise this part of La Rioja.