El Viejo is a municipality in the Chinandega department of Nicaragua. El Viejo is a small city near the city of Chinandega, noted for its particular gastronomic specialties, which include rosquillas (a type of doughnut), cajetas (a type of dulce de leche), bollitos de leche (a kind of scone), and a fruit particular to the region called the toncua, which is related to the papaya and is eaten with honey.