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Flag of French GuianaSouth America

French Guiana

Guyane française

French Guiana is a country or territory in South America. Its capital is Cayenne.

Capital
Cayenne

French Guiana is located in South America, and its capital is Cayenne. Its official currency is the Euro (EUR).

What stands out

Practical reference

Euro (EUR)

French Guiana uses Euro (EUR), calling code +594, internet domain .gf.

About French Guiana

French Guiana, an overseas department of France nestled on the northeastern coast of South America, blends European governance with Amazonian wilderness, offering visitors a unique glimpse of tropical biodiversity framed by a French administrative backdrop.

Dominated by dense rainforest, the territory spans the banks of the mighty Maroni River to the west and the Atlantic coastline to the east, with the Tumuc-Humac Mountains rising in the south. Its low‑lying coastal plains give way to savannas and mangroves, while the protected areas of the Guiana Amazonian Park preserve some of the planet’s most pristine ecosystems.

A vibrant mosaic of Creole, Indigenous, Maroon, and European influences defines daily life. The cuisine mixes spicy Creole dishes, fish and shrimp stews, and tropical fruits, while festivals such as Carnival and the annual Kourou Space Festival celebrate both local traditions and the region’s role in space exploration. Languages heard on the streets include French, Guianan Creole, and numerous Indigenous tongues.

In 1817 France re‑established control over the territory, and it later became a penal colony, famously housing the infamous Devil’s Island until 1953. The legacy of this period remains in historic sites like the former prison islands, which now attract curious travelers seeking a glimpse into the region’s complex past.

Key facts

  • Home to the Guiana Space Centre, one of the world’s busiest launch sites, where European satellites are sent into orbit.
  • Population of about 300,000 people spread over 83,534 km², making it the least densely populated region of the European Union.
  • French Guiana boasts the highest biodiversity per square kilometre in the world, with over 5,000 plant species and countless endemic animals.

This overview is AI-assisted and grounded with available atlas facts and reference material. Treat linked primary data as authoritative. Read the methodology.

Country data & reference

Capital

Cayenne

Region / Subregion

Americas / South America

Native Name

Guyane française

Nationality

French Guianese

Phone Code

+594

Top-Level Domain

.gf

ISO Codes

GF / GUF

Coordinates

4, -53

Time zones

  • America/Cayenne (UTC-03:00)

Population, area and economic figures use the latest available values from World Bank Open Data; reporting years can vary by country. See sources and methodology for indicator definitions, mapping attribution, and editorial limitations.

French Guiana: Frequently Asked Questions

What is the capital of French Guiana?

The capital of French Guiana is Cayenne.

What currency is used in French Guiana?

French Guiana uses the Euro (EUR), with the symbol €.

Where is French Guiana located?

French Guiana is located in South America, Americas.

What is the native name of French Guiana?

The native name of French Guiana is Guyane française.

What are people from French Guiana called?

People from French Guiana are referred to as French Guianese.

What is the phone calling code for French Guiana?

The international dialing code for French Guiana is +594.

What is the internet domain for French Guiana?

The country code top-level domain (ccTLD) for French Guiana is .gf.

What time zone is French Guiana in?

French Guiana uses the America/Cayenne time zone.

What is French Guiana known for?

French Guiana, an overseas department of France nestled on the northeastern coast of South America, blends European governance with Amazonian wilderness, offering visitors a unique glimpse of tropical biodiversity framed by a French administrative backdrop.