Before the current prefectural system was established, Japan was split into provinces. The western half of Aichi Prefecture was known as Owari Province, and during the Edo Period (1603-1867) the area became a domain of the influential and prospering Tokugawa clan.
Tokugawa Yoshinao (1600-50) was designated the first daimyo (feudal lord) to govern the region, with his headquarters at Nagoya Castle. On show are a 230 artifacts, such as weapons and domestic items believed to have been owned by Yoshinao and his heirs. The display includes swords, guns, tea-ceremony utensils and musical instruments; till Feb. 24.
Edo-Tokyo Museum; (03) 3626-9974; 1-4-1 Yokoami, Sumida-ku, Tokyo; Ryogoku Station, JR Sobu Line. 9:30 a.m.-5:30 p.m. (Sat. till 7:30 p.m.). ¥1,300. Closed Mon. (except Jan. 14, 21, Feb.11), Feb.12. www.edo-tokyo-museum.or.jp.