According to abbreviationfinder, AG is the 2 letter abbreviation for the country of Antigua and Barbuda.
Antigua and Barbuda’s traditional industries, cotton and sugar processing, have now been replaced by tourism as a leading industry. During the 1990s, the country was hit by several hurricanes, which temporarily halted growth in the tourism sector. Antigua and Barbuda are visited annually by about 300,000 overnight tourists and about 700,000 cruise tourists. The tourism industry contributes about 80 percent of GDP and employs 35 percent of the workforce. Some importance to the economy also has easy manufacturing industry, fishing and livestock management. Dependence on the United States is strong, and one of the state’s most important sources of income is the rent that the United States pays for its two military bases.
According to countryaah, the capital of Saint John’s is the dominant port city and also has an international airport.