Map of the Îles d'Hyères

The Îles d'Hyères (pronounced [il djɛːʁ]), also known as Îles d'Or ([il dɔʁ]), are a group of four Mediterranean islands off Hyères in the Var department of Southeastern France.

Islands

With a combined area of 29 square kilometres (11 sq mi), the Îles d'Hyères consist of

• Porquerolles – 1,254 hectares (3,100 acres), an extension of the Giens peninsula
• Port-Cros – 650 hectares (1,600 acres), the most mountainous, part of Port-Cros National Park, noted for rare flora and as a bird refuge
• Île du Bagaud – 45 hectares (110 acres), part of the same national park, and without permitted access
• Île du Levant – 900 hectares (2,200 acres), mostly for military use, partly a long-established naturist community centered on the privately owned village of Héliopolis

• 
  Porquerolles
• 
  Port-Cros
• 
  Île du Bagaud
• 
  Île du Levant

References

Wikivoyage has a travel guide for Îles d'Hyères.

43°00′36″N 6°24′16″E / 43.01°N 6.4045°E / 43.01; 6.4045