Vieques (/viːˈeɪkᵻs/; Spanish pronunciation: [ˈbjekes], locally: [ˈbjeke]), in full Isla de Vieques, is an island–municipality of Puerto Rico in the northeastern Caribbean, part of an island grouping sometimes known as the Spanish Virgin Islands. Vieques is part of the Commonwealth of Puerto Rico, and retains strong influences from 400 years of Spanish presence in the island.