French Guiana or simply Guiana is an overseas region of France. It lies on the northern Atlantic coast of South America. Its neighbors are Brazil (east and south) and Suriname (west). French Guiana is very sparsely populated with only 250,109 people living on an area of 83,534 square kilometers. This is a population density of merely 3 inhabitants per square kilometers. Half of the total population resides in the metropolitan area of Cayenne, the capital and largest city. It is France’s largest overseas department or region by area. Guiana is a member of European Union and uses Euro as its currency. It is a very bio-diverse area with thousands of plant and animal species residing within its territory. The landscape is decorated with rainforest, pristine beaches, game fishing spots and scuba diving sites. French Guiana promise a lot and delivers even more. Make it a point to visit this underrated scuba diving heaven.