Saga Castle

Saga Castle (佐賀城, Saga-jō) is a remarkable example of a flatland castle, distinguishing it from typical Japanese castles, which are often built on stone foundations. Instead, Saga Castle was surrounded by large earthen ramparts and obscured by trees, earning it the nickname "Submerged Castle." The castle’s expansive moats, some reaching over 80 meters in width, enhance the grandeur of its setting. Originally a fortified village held by the Ryuzoji clan, the castle was rebuilt in the early 1600s by Nabeshima Naoshige, who made it the center of the powerful Nabeshima clan’s rule. The castle remained in the family’s hands until the Meiji Restoration, when it was dismantled during the modernization efforts.

Today, the castle’s crown jewel is the stunning 2,500 m² reconstruction of the main palace, completed between 2001 and 2004. Using four different types of wood and more than 700 tatami mats, it holds the distinction of being Japan’s largest wooden castle restoration. The reconstructed palace now serves as the Saga Castle History Museum, offering a deep dive into the region’s samurai heritage, the daily life within the castle, and its rich local history. Interactive exhibits, coupled with English-friendly displays, ensure an engaging experience for all visitors. Admission is free, with optional donations, and includes access to an informative audio guide to enhance the visit.