Organisation of Eastern Caribbean States the Caribbean Community. OECS currently has ten Eastern Caribbean members, which together form a near-continuous archipelago across the Leeward Islands and Windward Islands. Anguilla, the British Virgin Islands and Martinique are only associate members of OECS. Diplomatic missions of the OECS do not represent the associate members. For all other purposes, associate members are treated as equals of full members. Six of the members were formerly colonies of the United Kingdom. Three others, Anguilla, the British Virgin Islands, and Montserrat remain overseas territories of the UK while Martinique, is a part of the French Republic as an overseas department and
Organisation of Eastern Caribbean States economic bloc of states. Part of the bank's oversight lends to maintaining the financial integrity of the East Caribbean dollar (XCD). Of all OECS member-states, only the British Virgin Islands and Martinique do not use the East Caribbean dollar as their de facto native currency. All other members belong to the Eastern Caribbean Currency Union. The OECS sub-region has a military support unit known as the Regional Security System (RSS). It is made up of the independent countries of the OECS along with Barbados. The unit is based in the island of Barbados and receives funding and training from various