Ad Pirum, Roman fortification in Hrušica Plateau, Slovenia.
Ad Pirum is a Roman fortification on the Hrušica Plateau featuring oval-shaped ramparts with substantial stonework typical of frontier defenses. The remains show the layout of barracks, watchtowers, and enclosed compounds where soldiers lived and worked.
The fortress was built in the 4th century to block invasions from the east and secure trade routes through the mountains. It formed part of a broader defense network protecting the Italian peninsula from mountain passes.
The name derives from a rocky peak in the area, reflecting how Romans named their fortifications based on local geography. This location served as a meeting point for different peoples moving through the mountain valleys.
The site sits at high elevation in a mountain setting and requires sturdy footwear and basic fitness to explore the terrain properly. Information panels at the location help visitors understand what they are seeing among the scattered ruins.
The fort sat on a mountain pass that merchants and travelers crossed daily, making its location strategically priceless. Archaeologists uncovered coins and pottery showing how busy this outpost was during its operational years.
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