| Indicator | Value |
|---|---|
| ISO 3166 alpha-2 | HMISO 3166 [2024] |
| ISO 3166 alpha-3 | No authoritative open source found |
| Capital | No authoritative open source found |
| Continent | AntarcticaGeoNames [2024] |
| Common name | Heard Island and McDonald IslandsCIA World Factbook [2025] · 2026 archive |
| Official name | Territory of Heard Island and McDonald IslandsCIA World Factbook [2025] · 2026 archive |
| Local name | Heard Island and McDonald IslandsCIA World Factbook [2025] · 2026 archive |
| Etymology | named after US Captain John HEARD, who sighted the island on 25 November 1853, and US Captain William McDONALD, who discovered the islands on 4 January 1854CIA World Factbook [2025] · 2026 archive |
| Government type | No authoritative open source found |
| Independence | No authoritative open source found |
| National holiday | No authoritative open source found |
| Head of state | No authoritative open source found |
| Currency code (ISO 4217) | AUDISO 4217 Currency Codes [2026] |
| Currency | Australian DollarISO 4217 Currency Codes [2026] |
| Administrative subdivisions | No authoritative open source found |
| Subdivision names | No authoritative open source found |
| Historical overview | No authoritative open source found |
| National symbols | Not applicable to this country |
| National anthem | Not applicable to this country |
| National colors | Not applicable to this country |
| Citizenship rules | Not applicable to this country |
named after US Captain John HEARD, who sighted the island on 25 November 1853, and US Captain William McDONALD, who discovered the islands on 4 January 1854
the flag of Australia is used
Source: CIA World Factbook (Historical Archive — final edition) · CC0 · Edition 2026-05
