Romania
Oradea Citadel is an architectural monument in Romania, one of the few citadels still in use today. It is said of the citadel that it could not be conquered because of its vast underground networks of connections with the outside. The citadel's water-filled ditch was, in case of siege, filled with thermal water (by conduits) from the Peța river.
Machine-translated from “Cetatea Oradea” on the Romanian Wikipedia, CC BY-SA 4.0.
Oradea Citadel ranks #5,708 of 9,035 worldwide in the atlas's castle fame ranking, and #55 of the 125 mapped in Romania. Its Wikipedia articles were opened 1,824 times in the last 60 days, more than 67% of the atlas. 1 more atlas landmarks stand within 25 km. See how Romania compares in the castle statistics.
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