| Official name | Département de la Guyane française (Department of French Guiana) |
|---|---|
| Political status | overseas department of France with two legislative houses (General Council [19]; Regional Council [31]) |
| Chief of state | President of France |
| Heads of government | Prefect (for France); President of the General Council (for French Guiana); President of the Regional Council (for French Guiana) |
| Capital | Cayenne |
| Official language | French |
| Official religion | none |
| Monetary unit | euro (€) |
| Population estimate | (2007) 211,000 |
| Total area (sq mi) | 32,253 |
| Total area (sq km) | 83,534 |
overseas département of France, situated on the northeastern coast of South America. French Guiana has an area of 33,399 square miles (86,504 square km) and is bounded by Brazil to the south and east, Suriname to the west, and the Atlantic Ocean to the northeast. The capital is Cayenne.
Geologically, the rock underlying French Guiana forms part of the crystalline massif of the Guiana Highlands. Rivers, which flow generally northeastward to the sea, have greatly eroded the massif, and most of French Guiana is low-lying. The Maroni River forms the French Guiana–Suriname border in the west, and the Oyapock forms the border with Brazil in the east. The Tumac-Humac Mountains in the south reach an elevation of 2,300 feet (700 metres). Recent alluvial deposits have formed a swampy coastal plain southeast of Cayenne. Older alluvial deposits form a savanna west of Cayenne. Dense tropical forests (mostly hardwood) predominate outside the coastal plain and cover more than four-fifths of the land area. French Guiana is subject to heavy rainfall between December and July; annual rainfall reaches 150 inches (3,800 mm) around Cayenne and tapers off toward the northeast. High temperatures predominate, and monthly averages vary between 77 and 80 °F (25 and 27 °C) at Cayenne. Wildlife includes tapirs, caimans, ocelots, sloths, great anteaters, and armadillos.
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