Portoviejo, also known as San Gregorio de Portoviejo, is a city in Ecuador, and the capital of the Province of Manabí 30 km (19 mi) from the Pacific coast. It is still known as the city of the "Royal Tamarind Trees" due to former Tamarind plantations in the area.

Manabí is a province in the Republic of Ecuador. Its capital is Portoviejo. The province is named after the Manabí people.