Oahu Locale is an area located on the Hawaiian island of Oahu. The two crossword solutions for this term are Hawaii, which is a 6 letter word, and Diamondhead, which is an 11 letter word. Hawaii is the 50th state of the United States and is composed of several islands, including Oahu. Diamondhead is a volcanic tuff cone located on the eastern side of Oahu and is a popular tourist destination.