Oki Province, Historical province in San'indō region, Japan
Oki Province is an archipelago in the Sea of Japan made up of four main islands and approximately 180 smaller islands. The landmass covers 346 square kilometers and forms a complex island landscape with varied geographic features.
The province emerged as an administrative unit during 7th-century Ritsuryō reforms. Wooden markers found in Nara preserve evidence of this early organizational structure.
The Kokubun-ji temple on Okinoshima still practices Shingon Buddhism today and displays foundation stones from the original provincial structures. Visitors can observe religious traditions that have been maintained at this site for many centuries.
Ferries connect the province regularly to Sakaiminato and Shichirui ports, while Oki Airport offers flights to Osaka and Izumo. Plan your route according to weather conditions and season, as ferry schedules can vary throughout the year.
The island region was shaped by two stratovolcanoes that formed around 5 million years ago and still visibly influence the landscape today. Mount Daimanji on Dōgo island rises 608 meters and stands as a testament to this volcanic past.
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