Parque das Nações, commonly referred to as Expo, is a freguesia and typical quarter located in the eastern part of Lisbon, the capital city of Portugal. It is situated east of Olivais, northeast of Marvila, and directly south of the border with Loures.
As of 2021, the population of Parque das Nações was 22,382. The area serves as a distinct urban district within the metropolitan region of Lisbon.