Tsuruga Castle

Tsuruga Castle, also known as Aizuwakamatsu Castle, is a historic Japanese fortress located in the center of Aizuwakamatsu city within Fukushima Prefecture. Originally constructed in 1384 by Ashina Naomori as Kurokawa Castle, the site served as a strategic stronghold in the Aizu basin. The structure underwent a significant transformation in 1592 under the rule of Gamō Ujisato, who rebuilt it into a modern hirayamashiro, or hilltop castle, and renamed it Tsuruga Castle. Ujisato further enhanced its defenses by adding an unprecedented seven-story tenshu keep in 1593, establishing the site as a major military installation during the turbulent Sengoku period.

The castle holds profound historical significance due to its association with several prominent warlords, including Date Masamune, Uesugi Kagekatsu, and Katō Yoshiaki. It is perhaps most famous for withstanding a month-long siege during the Boshin War of 1868, where samurai defenders held out against imperial forces before eventually surrendering. Following the Meiji Restoration, the original buildings were demolished, and the site remained without a main keep for decades. Today, the castle is recognized as a National Historic Site of Japan, preserving the memory of the region's feudal past and the resilience of its former occupants.

Currently, the iconic tenshu standing on the grounds is a concrete reconstruction completed in 1965, as the original wooden structure no longer exists. Despite being a modern rebuild, it serves as a museum and a symbol of local heritage, attracting visitors interested in the area's rich history. The surrounding park and grounds offer a glimpse into the traditional layout of the former castle town. While the interior materials differ from the original, the exterior maintains the aesthetic of the formidable fortress that once dominated the landscape of northern Japan.