Defense line

Defense line or fortification line is a geographically-recognizable line of troops and armament, fortified and set up to protect a high-value location or defend territory during an armed conflict.

The Victoria Lines, a line of fortification in Malta built to divide the sparsely populated north of the island from the densely populated south
Reconstruction of a Scythian defence line built around 339 BC in modern-day Hungary

A defense line may be based on natural difficult terrain features, such as rivers or marshes, mountain ranges, or coastlines; temporary field fortification works such as trenches; and more permanent fortifications such as fortresses and bunkers.

List of defense linesEdit

Some notable defense lines include:




  1. ^ Where given, dates in parentheses indicate when construction began.