Antigua and Barbuda. Antigua and Barbuda (UK: /??n??ti?????????...???b????r??bu??d??/, US: /??n??ti????w?????...???b????r??bju??d??/) is a sovereign country in the West Indies. It lies at the juncture of the Caribbean Sea and the Atlantic Ocean in the Leeward Islands part of the Lesser Antilles, at 17??N latitude. The country consists of two major islands, Antigua and Barbuda, approximately 40 km (20 mi) apart, and several smaller islands, including Great Bird, Green, Guiana, Long, Maiden, Prickly Pear, York, and Redonda. The permanent population is approximately 97,120 (2019 est.), 97% residing in Antigua. St. John's, Antigua, is the country's capital, major city, and largest port. Codrington is Barbuda's largest town.