Οάχου is the third-largest island in the Hawaiian Islands and is home to the state capital, Honolulu. It is known for its beautiful beaches, such as Waikiki, and its vibrant culture, which blends native Hawaiian traditions with influences from various immigrant groups. The island features diverse landscapes, including lush mountains, scenic coastlines, and urban areas. Popular attractions include Pearl Harbor, the Diamond Head crater, and the Hanauma Bay Nature Preserve. Oahu is a major tourist destination, drawing millions of visitors each year who come to enjoy its natural beauty and rich history.