Which sovereign state in the Lesser Antilles has a capital of Port Elizabeth? 
Saint Vincent and the Grenadines
Title: Grenadines Parish
Passage: Grenadines is an administrative parish of Saint Vincent and the Grenadines.  Its capital is Port Elizabeth.
Title: Saint Vincent and the Grenadines
Passage: Saint Vincent and the Grenadines ( ) is a sovereign state in the Lesser Antilles island arc, in the southern portion of the Windward Islands, which lie at the southern end of the eastern border of the Caribbean Sea where the latter meets the Atlantic Ocean.  The country is also known simply as Saint Vincent.
Title: List of companies of Saint Kitts and Nevis
Passage: Saint Kitts and Nevis is a two-island country in the West Indies.  Located in the Leeward Islands chain of the Lesser Antilles, it is the smallest sovereign state in the Americas, in both area and population.  The country is a Commonwealth realm, with the British monarch (currently queen Elizabeth II) as head of state.
Saint Vincent and the Grenadines Grenadines Parish