What does 禁区 (jìnqū) mean in English?

Card 1354HSK Level 41354/3571
CARD1354
PROGRESS38%
禁区
禁區
jìnqū
forbidden zone preserve(Noun)

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d