The Treaty of Paris, also known as the Treaty of 1763, was signed on 10 February 1763 by the kingdoms of Great Britain, France and Spain, with Portugal in agreement, following Great Britain and Prussia's victory over France and Spain during the Seven Years' War.

Saint Lucia is an island country of the West Indies in the eastern Caribbean. The island was previously called Iouanalao and later Hewanorra, names given by the native Arawaks and Caribs (respectively), two Amerindian peoples. Part of the Windward Islands of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent, northwest of Barbados and south of Martinique. It covers a land area of 617 km2 with an estimated population of over 180,000 people as of 2018. The nation's capital and largest city is Castries.