A United Kingdom is a film.
A United Kingdom is a 2016 British biographical romantic drama film directed by Amma Asante and written by Guy Hibbert , based on the true-life romance between Sir Seretse Khama and his wife Ruth Williams Khama . It was screened at the 2016 Toronto International Film Festival , and was the opening film at the 60th London Film Festival , the second year in a row that a British film featured . The United Kingdom of Great Britain and Northern Ireland , commonly known as the United Kingdom ( UK ) or Britain , is a sovereign country in western Europe . With an area of 242500 km2 , the United Kingdom is the 78th-largest sovereign state in the world and the 11th-largest in Europe . The United Kingdom consists of four countries -- England , Scotland , Wales and Northern Ireland .