Paraguay is divided by the Río Paraguay into the eastern region, called Eastern Paraguay (Paraguay Oriental) and known as the Paraná region; and the western region, officially called Western Paraguay (Paraguay Occidental) and also known as the Chaco. The country lies between latitudes 19° and 28°S, and longitudes 54° and 63°W. The terrain consists of grassy plains and wooded hills in the east. To the west, there are mostly low, marshy plains.
Asuncion, city and capital of Paraguay, occupying a promontory and descending to the Paraguay River near its confluence with the Pilcomayo. The city lies 175 feet (53 metres) above sea level.
Paraguay 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.