According to Official Guinness Records,
The largest set for a stop-motion animation was a section of beach measuring 1025.04 m² (11033 ft²), used for the production of the film Nokia 'Gulp' by Aardman Animations (UK) and premiered in 2011.
The entire film was shot on a mobile phone: the Nokia N8.
For a complete list of 2011 records, please visit 2011 Guinness Records in United Kingdom.