Victoria Park in London’s Tower Hamlets beat competition from more than 1,400 open green spaces to win Keep Britain Tidy’s People’s Choice Award.
The 170 year-old park, one of London’s most historic, spans 86 hectares and receives up to 12 million visitors every year.
It is known for its glorious displays of summer bedding.
A record 32,694 votes were cast that saw Victoria Park take the top spot.
Mote Park in Kent came second, with Margam Park in South Wales taking third place.