Festival or seasonal event · tourism listing · checked Nov 4, 2026
Sanbancho Joint Conference Hall Open House, Chiyoda 2026
Sanbancho Joint Conference Hall Open House, Chiyoda 2026 has 2 dates (Nov 28 – 29, 2026) in Chiyoda City, Tokyo; the next is Sat, Nov 28, 2026, 10:00 AM – 3:00 PM (Japan time). Japanese title: 三番町共用会議所（旧山縣有朋邸庭園跡・別館）一般公開（千代田区九段南）
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- 三番町共用会議所Chiyoda City, Tokyo, Japan
Official source: Chiyoda City Tourism Association · checked Nov 4, 2026
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- The title is machine-translated from the official Japanese listing. Dates, times, the place, and the official link are taken from that listing as published.
- In Japanese
- 三番町共用会議所（旧山縣有朋邸庭園跡・別館）一般公開（千代田区九段南）
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