- Ihu is a city located in the Gulf Province of Papua New Guinea. It is situated on the southern coast of the mainland, near the Gulf of Papua. The population of Ihu is relatively small, with around 4,000 residents. The city is known for its beautiful natural landscapes, including pristine beaches and dense rainforests. Fishing is a major industry in Ihu, and the area is also rich in oil and gas resources. The city has limited infrastructure and amenities, but it offers a tranquil and laid-back lifestyle for its inhabitants.