The sign for the local currency is € (EUR).
There are 254,541 people here, or 0.0034% of the world's population.
People from this country speak these languages: French. Country territory measures 83,534 km², a postcode system is employed and the main cities are: Cayenne, Matoury, Remire-Montjoly, Kourou, Saint-Laurent-Du-Maroni. Cayenne is the nation's capital and the country has a border with Brazil, Suriname.
https://en.wikipedia.org/wiki/French_Guiana is a good place to find out more details on this country. Phone numbers start with +594, the country's websites have the domain name ".gf", the ISO code is GF