Japan's Largest Castle Festival 'Oshiro EXPO 2026' to be Held at Pacifico Yokohama on December 19-20, 2026
Japan's largest castle festival, 'Oshiro EXPO 2026', will be held for two days on December 19 (Saturday) and 20 (Sunday), 2026, at Pacifico Yokohama. It is organized by four entities: Japan Castle Foundation, Shirobito (Tohoku Shinsha), Murayama Inc., and Pacifico Yokohama. This event has been held annually since 2016 with the aim of promoting castle culture and fostering interaction among castle enthusiasts. The previous 'Oshiro EXPO 2025' featured 137 exhibitors and attracted 23,017 visitors over two days.
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The four organizing bodies of Oshiro EXPO (Japan Castle Foundation, Shirobito , Murayama Inc., and Pacifico Yokohama) have decided to hold Japan's largest castle festival, 'Oshiro EXPO 2026', for two days on December 19 (Saturday) and 20 (Sunday), 2026, at Pacifico Yokohama.
'Oshiro EXPO' is an event held annually in December since 2016, with the aim of promoting and developing castle culture, as well as fostering interaction with castle enthusiasts. It gathers 'castles' and 'castle specialists' from all over Japan, along with 'castle fans', and has gained immense popularity among castle fans nationwide.
The 'Oshiro EXPO 2025', held at the end of last year to commemorate its 10th anniversary, saw a record 137 organizations exhibit. It featured a diverse program including performances by local mascots and samurai warrior groups, as well as lectures and workshops by castle specialists. A record total of 23,017 visitors attended over the two days, filling the venue with the enthusiasm of castle fans.
Following the significant milestone of its 10th anniversary, 'Oshiro EXPO 2026' marks a 'new start' for the next decade. This year's event will feature an enhanced lineup of plans to meet expectations, including booths exhibiting castles from various regions across Japan, enriching lectures and talk shows by castle specialists, and event stages.
Details on lectures, exhibitor information, and ticket release dates will be announced sequentially on the official website and social media channels. Please look forward to this castle festival, which marks a new beginning.
[ 'Oshiro EXPO 2026' Overview ]
Name: Oshiro EXPO 2026
Date: December 19 (Saturday) - December 20 (Sunday), 2026
Time: 9:30 - 17:30 (Last day until 17:00) *Last entry 30 minutes before closing
Venue: Pacifico Yokohama North (Minato Mirai, Nishi-ku, Yokohama City), etc.
Organizers: Japan Castle Foundation, Shirobito , Murayama Inc., Pacifico Yokohama
Content:
● Theme Exhibition
Castle Tour Tourism Information Zone, Castle Independent Research Contest Excellent Works Exhibition, Castle Theater, etc.
● Carefully Selected Programs (Lectures)
Special stages featuring castle specialists. Carefully selected programs such as valuable lectures, forums, and talk shows that can only be heard here.
URL: https://www.shiroexpo.jp
*Contents are subject to change.
FAQ
When will 'Oshiro EXPO 2026' be held?
It will be held for two days on Saturday, December 19, and Sunday, December 20, 2026.
Where will the event take place?
At Pacifico Yokohama North (Minato Mirai, Nishi-ku, Yokohama City).
Who are the organizers of the event?
The organizers are the Japan Castle Foundation, Shirobito (Tohoku Shinsha), Murayama Inc., and Pacifico Yokohama.