Thanks for all your help 
 Hi, can you tell me about French Guiana please 
 Any other fact? 
 French Guiana was returned to France by Portugal in 1817, but it kept its military presence there. 
 No, I do not have any other information on that. I can tell you about the history.
French Guiana was returned to France by Portugal in 1817, but it kept its military presence there.