noun
neutral zone
A general term for an area where neither side in a conflict or dispute has control, often used in political or military contexts.
両国の間に中立地帯が設けられた。
A neutral zone was established between the two countries.
noun
Specifically refers to an area where military forces and equipment are prohibited, often by international agreement.
その国境には非武装の中立地帯がある。
There is a demilitarized neutral zone along that border.