North America
From Tardis Wiki, the free Doctor Who reference
North America was a continent on the planet Earth. During the 20th and 21st centuries, it was the continent on which the nation states of Canada, the United States of America and Mexico resided. It had UNIT bases around the country. (DW:The Stolen Earth)
New York, the largest city in North America, was attacked by The Daleks twice, once in 1930 and again in 2009. (DW:Daleks in Manhattan, The Stolen Earth)
