Uia is the name of a narrow valley and small bay on the central eastern coast of Fatu Hiva

Fatu Hiva

Fatu Hiva is the southernmost of the Marquesas Islands, in French Polynesia, an overseas territory of France in the Pacific Ocean...

.

The well-watered valley, the largest on the east coast of the island, is about 1.3 km wide at its mouth, with steep ridges on all sides. In 1937 and 1938, the Norwegian

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 archaeologist and explorer Thor Heyerdahl

Thor Heyerdahl

Thor Heyerdahl was a Norwegian ethnographer and adventurer with a background in zoology and geography. He became notable for his Kon-Tiki expedition, in which he sailed by raft from South America to the Tuamotu Islands...

 and his first wife Liv spent their honeymoon (a year and a half) primarily in this valley. The book, Fatu Hiva, describes their adventures.