The Ria de Aveiro is a coastal lagoon located in Portugal, near the city of Aveiro. It is known for its rich biodiversity, including various species of fish, birds, and plants. The lagoon is formed by a series of channels and islands, making it an important ecological area and a popular spot for birdwatching. The region is also famous for its traditional moliceiro boats, which were historically used for harvesting seaweed. Today, these colorful boats are a popular attraction for tourists. The Ria de Aveiro plays a significant role in the local economy, supporting fishing and tourism activities.