
Iolani Palace · National Register of Historic Places
Urban Honolulu’s story
Urban Honolulu in pictures
Iolani Palace is one of 4 National Historic Landmarks here, the National Register’s top tier. Its 93 National Register listings are more than in 0% of Hawaii towns with a listing.
The archive holds 5 maps from 1953 on.
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Getting set upMoving to Urban Honolulu: who provides what
Urban Honolulu is unincorporated, so Honolulu County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.