Zacatlán is a city and municipal seat of Zacatlán Municipality located in the Sierra Norte de Puebla region of Puebla in central Mexico. The area is known for its production of apples, other fruit, cider and fruit wines, which are promoted through the annual Feria de la Manzana and Festival de la Sidra. It is also home to the Relojes Centenario company, the first clock factory in Latin America and the builder of the city's double sided flower clock in the main square.