avgränsad bedeutet auf Englisch

restricted▼(limited within bounds)
adjective
[UK: rɪ.ˈstrɪk.tɪd] [US: ri.ˈstrɪk.təd]

cordon off▼(to enclose with rope barrier)
verb
[UK: ˈkɔːd.n̩ ɒf] [US: ˈkɔːr.dn̩ ˈɒf]

demarcate [demarcated, demarcating, demarcates]▼(mark the limits or boundaries of something)
verb
[UK: ˈdiː.mɑːk.eɪt] [US: ˈdiː.mɑːrk.eɪt]