Sekijo Town was born in August 1956 through the merger of Sekimoto town (Shichirobei Nishimura Pear), Kawachi village, and Kurogo village. Named after Located in the northwestern part of Ibaraki Prefecture, west of Mt. Shiho（Tsukuba, a famous mountain with an altitude of 877 m, which consists of two peaks of Mt. Nantai and Mt. Nyotai, towering over the Kanto Plain. It has long been revered as "Fuji in the west, Tsukuba in the east" because the mountain surface changes its expression from indigo in the morning to green in the afternoon and purple in the evening.）Tsukuba, it borders Akeno Town across the Kogai River to the east, Yuki City to the west across the Kinugawa River, Shimotsuma City to the south, and Shimodate City to the north. It is located within 70 km from the capital Tokyo and 50 km from the prefectural capital Mito. In general, rural areas have a large proportion of land used for agriculture and forestry, have a low population density, and have a rich secondary natural environment through agriculture and forestry, as well as public goods such as land and water. Areas with natural resources. The characteristics of rural areas are that in order to stably maintain the basic conditions for agricultural production, priority is given to conserving local agricultural resources such as good farmland and good quality agricultural water. and rural residents use the same space multiple times, the production base and the living environment base are interrelated and function, the density of residence is lower than in the city, In addition, it can be mentioned that the land is dispersed as a unit of settlement, and that the national land is conserved and the natural environment is maintained and cultivated through appropriate agricultural and forestry activities). The Kanto Railway Joso Line runs alongside Route 294, which runs through the east of the town, and Kurogo Station is located in the Kurogo district in the east of the town. A fertile paddy field opens up in the basin of the Kogai River, which flows southward in the eastern part, and vast fields and paddy fields are formed in the basin of the Kinugawa River, which flows southward in the western part. The climate is relatively warm, and it seems to be blessed with natural conditions. According to "Chiyokawa Village Life History", Itabashi Fortress was located 900m east of the former Sekijo town hall. However, the details are unknown. There are bamboo groves around here, but it may be just a legend. The history of the lord of the castle is also unknown. Ichiban Palace (Seki palace, Sekijo town) is said to have once stood on a plateau with the Seki Palace Industrial Park, about 900 meters northwest of Seki Castle. The edge of the plateau on the west side, with left and right sides in the north and south direction, is a suitable place to run a castle. However, the details and intent are unknown. Inoue Castle (Sekijo Town Inoue) is located 900 meters northwest of kurogo station on the Kanto Railway Joso Line. If you go west from the intersection of Inoue on Prefectural Route 357, there is an Inari shrine 400 m beyond the railroad tracks. The surrounding area is farmland, but there is not much difference in height from the surrounding area, and it cannot be said that it is a castle ruins-like topography. Traces of an embankment can also be seen in the fields to the south of Inari Shrine, but it is not clear whether they are castle remains. In addition, it seems that there are some parts of the farmland that are forested.
Seki Castle was built during the period of the Northern and Southern Courts, and is counted as one of the Six Kanto Castles of the Southern Court along with Makabe Castle and Taiho Castle. Tomoyasu, the 4th son of Tomohiro Yuki, the 2nd head of the Yuki clan, built the castle under the name Seki. 1343, Morofuyu Ko of the Northern Court (Unknown-1351: In fact, Moroyuki's son and Moronao's cousin (later Moronao's adopted son (adoptive son without inheritance)). A Japanese manga of the work. Serialized in Shueisha's "Weekly Shonen Jump" from No. 8 in 2021. The Kamakura Shogunate was destroyed by Takauji Ashikaga's rebellion, and the Hojo family's relatives were all killed. The only surviving 8-year-old A young boy, Tokiyuki HOJO, is rescued by Yorishige Suwa, a priest of Shinano province, and hides himself in the Suwa territory...), Takauji goes to war to hunt down the remnants of the Kamakura shogunate that occupied Kamakura, and the real Morofuyu is als...
