Sado bugyō (佐渡奉行) were officials of theTokugawa shogunate responsible for administration of the mining operations atSado.^[1]

Sado Island is the sixth largest in theJapanese archipelago. It is located in theSea of Japan off the west coast ofEchigo Province in northwestHonshu.^[2] For much of its pre-modern history, exiles were banished to the island.^[3] The island was noted for its deposits of gold and silver since at least the 12th century; however, intensive mining operations did not begin until the opening of the Aikawa Mine in 1601.^[3]

This same year, Sado was placed during the direct control of theTokugawa shogunate, and in 1603Ōkubo Nagayasu was appointed the first "commissioner". The title was officially Sadodaikan until 1618, andbugyō afterwards. The post was occupied byhatamoto assisted by a staff of up to a hundredyoriki anddōshin constables.^[4]

The mines at Sado were worked vigorously; and were a major source of revenue for the early Tokugawa shogunate, producing approximately 100 tons of gold and silver from 1616 to 1627; however, by the 1730s the deposits were largely exhausted and production was less than a ton of silver until the mid-18th century.^[4] The post of Sado bugyō was abolished with theMeiji restoration.

This is adynamic list and may never be able to satisfy particular standards for completeness. You can help byediting the page to add missing items, with references toreliable sources.

• 1603-1613Ōkubo Nagayasu^[3]

• Bugyō

• Beasley, William G. (1955).Select Documents on Japanese Foreign Policy, 1853–1868. London:Oxford University Press. [reprinted byRoutledgeCurzon, London, 2001.ISBN 978-0-19-713508-2 (cloth)]
• Cullen, Louis M. (2003).A History of Japan, 1582–1941: Internal and External Worlds. Cambridge:Cambridge University Press.ISBN 0-521-52918-2
• Nussbaum, Louis-Frédéric and Käthe Roth. (2005).Japan encyclopedia. Cambridge:Harvard University Press.ISBN 978-0-674-01753-5;OCLC 58053128

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