Honolulu: Capital of Hawaii on Oahu

Honolulu is the capital and largest city of the State of Hawaii.

Key Facts

• Island: Oʻahu (third largest, most populous).
• Location: Southeast coast, natural harbor (Pearl Harbor adjacent).
• Population: ~350,000 city; ~1M metro (70% of state).
• Role: Government, finance, tourism, military (Pacific Fleet), transport hub.
• Climate: Tropical semi-arid; 75–85°F year-round; trade winds.
• Landmarks: Waikīkī, Diamond Head, ʻIolani Palace, Pearl Harbor, Aloha Tower, Chinatown.

Why Not Another Island?

Oʻahu's harbor, central location, and early missionary/merchant presence made it the natural administrative center. Kamehameha III moved capital from Lahaina (Maui) to Honolulu in 1845.

Honolulu is the only U.S. state capital on an island—and the gateway to the Pacific.