Claim: Port of Spain is the capital of an island.
Evidence: Port of Spain is the capital city of the Republic of Trinidad and Tobago and the country 's third-largest municipality , after Chaguanas and San Fernando.
Trinidad and Tobago -LRB- -LSB- ˈtrɪnᵻˌdæd_ən_təˈbeɪɡoʊ -RSB- , -LSB- - toʊˈ - -RSB- -RRB- , officially the Republic of Trinidad and Tobago , is a twin island country situated off the northern edge of the South American mainland , lying just 11 km off the coast of northeastern Venezuela and 130 km south of Grenada.