A physical political barrier refers to a tangible structure or obstacle that separates territories or regions under different political control. It can serve as a means of limiting movement, communication, or interaction between those on either side.
Related terms
Berlin Wall: A concrete barrier constructed in 1961 that physically divided East Berlin (controlled by East Germany) from West Berlin (controlled by West Germany) during the Cold War.
DMZ (Demilitarized Zone): A heavily fortified buffer zone separating North Korea and South Korea along their shared border.
Great Wall of China: An ancient physical barrier built across China's historical northern borders as protection against invasions.