Paraguay
From Tardis Wiki, the free Doctor Who reference
Paraguay was a country in South America. It was bordered by Argentina to the south and southwest and Brazil to the east and northeast. (PROSE: The Americas)
History
Paraguay was the location chosen by Esther Drummond to "bounce the signal" so that Gwen Cooper could talk to her husband on a laptop while they were on the run in the United States during Miracle Day. (TV: Dead of Night)
During on of his many journeys Santiago Jones also visited Paraguay. (TV: Death of the Doctor)