The Paitnnu Wetlands existed on the planet of Naboo as a specific area. It was the location of the city called Moenia. Following the Battle of Yavin, a battle took place in the Paitnnu Wetlands between the Gungans and the Imperial military.
Within the Star Wars Galaxies MMORPG, the Paitnnu Wetlands are recognized as one of the several distinct regions on the planet.