Paraguay. Paraguay (; Spanish pronunciation: [pa??a????waj] ), officially the Republic of Paraguay (Spanish: Rep??blica del Paraguay; Guarani: Paragu??i Tavakuairet??), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. It has a population of around 6.1 million, nearly 2.3 million of whom live in the capital and largest city of Asunci??n, and its surrounding metro area. Spanish conquistadores arrived in 1524, and in 1537 established the city of Asunci??n, the first capital of the Governorate of the R??o de la Plata. During the 17th century, Paraguay was the center of Jesuit missions, where the native Guaran?? people were converted to Christianity and introduced to European culture. After the expulsion of the Jesuits from Spanish territories...