The county seat of Hawaii is Hilo, a four letter word. Hilo is the largest city in Hawaii and the second largest settlement on the island of Hawaii. It is located in the South Hilo District and is the administrative center of Hawaii County. Hilo is home to the University of Hawaii at Hilo, as well as several other educational institutions. The city is known for its beautiful scenery, including waterfalls, rainforests, and beaches. Hilo is also a popular tourist destination, with many attractions such as the Imiloa Astronomy Center, the Lyman Museum, and the Pacific Tsunami Museum.