From Northernmost, clockwise; North Kohala, Hāmākua, North Hilo, South Hilo, Puna, Kaʻū (highlighted), South Kona, North Kona, and South Kohala]]
Kaʻū is the southernmost district of Hawaii County, Hawaii, located on the island of Hawaiʻi.
Kaʻū was one of the six original districts of ancient Hawaii on the island, known as moku. It includes the areas of South Point (Ka Lae), Hawaiian Ocean View Estates (HOVE), Hawaiian Ocean View Ranchos (HOVR), now together known as Ocean View, Nīnole, Waiʻōhinu, Naʻālehu and Pāhala.
The district contains much of Hawaii Volcanoes National Park, including the volcanoes Kīlauea and Mauna Loa, and Punaluʻu Black Sand Beach, Papakōlea (Green Sand) Beach and Kamilo Beach. To the east of Kaʻū is the Puna District, and to the west is the South Kona District.