A public open space is defined as an open piece of land both green space or hard space to which there is public access.
Public open space is often referred to by urban planners and landscape architects by the acronym 'POS'. Varied interpretations of the term are possible.
'Public' can mean:
owned by a national or local government body
owned by 'public' body (e.g. a not-for-profit organization) and held in trust for the public
owned by a private individual or organization but made available for public use or available public access, see privately owned public space (POPS)
'Open' can mean:
open for public access
open for public recreation
outdoors, i.e. not a space within a building
vegetated
Depending on which of these definitions are adopted, any of the following could be called Public Open Space:[1]