Oahu is the most populated and third-largest of the Hawaiian Islands. The island of Oahu and the Northwestern Hawaiian Islands constitute the City and County of Honolulu. The state capital, Honolulu, is on Oahu's southeast coast. In 2021, Oahu had a population of 995,638, up from 953,207 in 2010.
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The most venerable and polished of the tour-and-activity sites. – BBC