 The commune was originally called Remire, but on 27 March 1969 the name was officially changed to Remire-Montjoly to reflect the development of Montjoly, one of the two settlements located within the commune.With urban expansion, the settlements of Remire and Montjoly have fused with Cayenne into a single urban area, however Remire-Montjoly remains a commune that is administered separately from the commune of Cayenne.Fort Diamant is a coastal battery built in 1848 to protect Cayanne and the colony.