Tra O Lagoon (also known as Chau Truc Lagoon, Bau Bang Lagoon) is a natural brackish lagoon located in the Northeast of Phu My District, Binh Dinh Province. With a circumference of about 20 km, the poetic beauty of Tra O lagoon and the surrounding green rice fields, or the scenery of the local people are worth a visit.

In Tra O lagoon, there is a large, calm lagoon, there are boats moored along the shore, smooth green rice fields, remote mountains, and ducks flocking indifferently to swim and forage. buffaloes leisurely graze, and there are industrious farmers in the fields or canoeing on the lagoon.