Heard Island and McDonald Islands 
- Country name
- Heard Island and McDonald Islands
- ISO code
- HM, 334 and HMD
- ISO country name
- Heard Island and McDonald Islands (EN)Heard-et-Îles MacDonald (l'Île) (FR)
- Depends from
- Australia
- FIPS code
- HM
- Area
- 412 km²
- Population
- 0
- Features
- 97
- Names
- 513
- Postal codes
- 1
- Currency
- Dollar (AUD)
- Postal code format
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