Mercadona is a Spanish supermarket chain founded in 1977 in Valencia. It is one of the largest grocery retailers in Spain, known for its wide range of products, including fresh food, household items, and personal care products. The company operates over 1,600 stores across the country and employs thousands of people. The supermarket is recognized for its commitment to quality and customer service. Mercadona focuses on offering private label products, which are often more affordable than branded items. The chain has also implemented various sustainability initiatives, such as reducing plastic use and promoting local suppliers.