King George's Fields is a 28-hectare (69-acre) Site of Borough Importance for Nature Conservation, Grade II, in Monken Hadley in the London Borough of Barnet. It is one of many King George's Fields all over the country, established as memorials, following the death of King George V in 1936. The King George's Fields Foundation was established to give grants for the establishment of playing fields, the work of the foundation is now undertaken by charity Fields in Trust. King George's Fields (Monken Hadley) has been legally protected since July 1955.