French Guiana is a department of France with French laws and currency in the form of the Euro. How to get to French GuianaWhen it comes to flights to French Guiana, it's not all that simple. Who should visit French GuianaIf you love nature and places not spoiled by over-development, French Guiana is for you. Guiana Space CenterThe Guiana Space Center, in operation since 1968, is located near Kourou. Best time to visit French GuianaTropical French Guiana is hot and humid all year round.