Oceanogràfic is the largest aquarium in Europe, located in Valencia, Spain. It is part of the City of Arts and Sciences complex and features various marine habitats, showcasing over 500 species. Visitors can explore different ecosystems, including the Mediterranean, Arctic, and tropical seas. The aquarium spans 110,000 square meters and contains 42 million liters of water. It is home to impressive exhibits, such as the underwater tunnel that allows guests to walk through a giant tank filled with sharks and rays. Oceanogràfic aims to promote marine conservation and education through its diverse displays and programs.