Overseas Countries and Territories Association is an international organisation founded on 17 November 2000 during the conference of prime ministers of overseas countries and territories in Brussels, Belgium. It includes almost all special member state territories of European Union whose purpose is to improve economic development in overseas countries and territories and cooperation with the European Union. It currently has 13 members. On 25 June 2008, a Cooperation Treaty between the EU and OCTA was signed in Brussels.

The special territories of members of the European Economic Area (EEA) are the 32 special territories of EU member states and EFTA member states which, for historical, geographical, or political reasons, enjoy special status within or outside the European Union and the European Free Trade Association.