Simplify the following text for a Grade 5 native English-speaking person.
Original: Richmond Park is a 955 hectare ( 2,360 acre ) urban park near central London , UK .
Simplified: Richmond Park is a 2,360 acre ( 9.55 km2 ; 3.69 sq mi ) park within London . Almost three times as large as New York City 's Central Park , it is the largest of the Royal Parks in London and Britain 's second largest urban walled park after Sutton Park , Birmingham .