O'ahu is the third-largest island in the Hawaiian archipelago and is often referred to as "The Gathering Place." It is home to the state capital, Honolulu, and famous landmarks such as Waikiki Beach and Diamond Head. The island features a diverse landscape, including beautiful beaches, lush mountains, and vibrant urban areas. O'ahu has a rich cultural history, influenced by native Hawaiian traditions and various immigrant communities. Visitors can explore historical sites like Pearl Harbor and enjoy outdoor activities such as hiking, surfing, and snorkeling. The island attracts millions of tourists each year, making it a popular destination in Hawaii.