District 9 is a 2009 science fiction film directed by Neill Blomkamp. The movie is set in Johannesburg, South Africa, where an alien spaceship has become stranded. The aliens, derogatorily referred to as 'prawns,' are forced to live in a segregated slum called District 9. The film follows Wikus van de Merwe, a government agent who becomes infected with an alien substance and must go on the run. District 9 explores themes of xenophobia, discrimination, and the consequences of power. The film received critical acclaim for its unique blend of social commentary and thrilling action.