Paraguay, officially the Republic of Paraguay (Spanish: República del Paraguay, pronounced [reˈpuβlika ðel paɾaˈɣwai]; Guaraní: Tetã Paraguái). It lies on both banks of the Paraguay River and is bordered by the United American Republic to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Because of its central location in South America, the country is sometimes referred to as Corazón de América — Heart of America.