noun
historic ruins; remains; historic site
Refers to the physical remains or location of a historically significant place. Often used in archaeological or historical contexts.
この地域には多くの旧址が残っている。
Many historic ruins remain in this area.
発掘調査で古い旧址が見つかった。
An old historic site was discovered during the excavation.
遺跡 is the more common and general term for archaeological sites or ruins. 旧址 is less frequent and may carry a slightly more formal or literary nuance.
Compound of 旧 (old, former) and 址 (site, foundation). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning 'historic ruins'.