Chugoku

Shimane 島根県

Where Japan's eight million gods are said to gather once a year, and a silver mine that once helped fuel the world economy.

Capital

Matsue

Population

671,126

2020 census

Population trend

Decreasing

Area

6,708 km²

Population density

100 / km²

Share of Japan's population0.53% of Japan
Share of Japan's land area1.8% of Japan

Compared against Japan's 2020 census population of 126,146,099 and total land area of 377,975 km².

Nature8/10
Subculture2/10
Shimane highlightedMap data © contributors, CC BY 4.0

Often described as

Shimane carries a quiet mystical weight most prefectures don't claim — in Shinto tradition, every October is known nationwide as Kannazuki ('the month without gods') because all of Japan's deities are believed to travel to Izumo, the one place in the country where the same month is instead called Kamiarizuki, 'the month with the gods.'

If it were in Europe or the US

Potosí, BoliviaA mining region whose 16th-17th century silver output genuinely helped shape the world economy — Iwami Ginzan is estimated to have supplied around a third of the world's silver at its peak, flowing into the same broader global silver trade that Spanish-colonial Potosí also fed.

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History

Shimane holds two of Japan’s more unusual superlatives at once: the country’s most mythologically significant shrine, and a silver mine that, for a couple of centuries, was genuinely important to the world economy.

Shimane and the wider world

Iwami Ginzan’s silver, discovered in 1526 and mined intensively through the 16th and 17th centuries, flowed out through Japanese, Portuguese, and Dutch trading networks into a global silver market that also included Spanish-colonial silver from the Americas — historians estimate Japan supplied roughly a third of the world’s silver at points during this period, with Iwami as its largest single source. That silver financed Japan’s trade with Ming China and helped monetize significant parts of the early modern global economy, long before Japan had any other direct diplomatic relationship with the West.

A more personal connection came over two centuries later: Lafcadio Hearn, a Greek-Irish writer, arrived in Matsue in 1890 to teach English, married a local samurai’s daughter, and eventually took Japanese citizenship as Koizumi Yakumo. His books — including “Kwaidan,” a collection of Japanese ghost stories — became some of the first and most widely read English-language introductions to Japanese culture and folklore in the West, shaping how generations of English-speaking readers first encountered Japan.

Neighbors: Shimane and the rest of San’in

Shimane and neighboring Tottori together form the San’in region, sharing a Sea of Japan coastline, comparatively light tourist traffic relative to their cultural significance, and a mutual, unbothered comfort with being Japan’s two least-visited prefectures.

Getting there and getting around

Izumo Airport and Matsue Station (reached by limited express from Okayama or Hiroshima, roughly 2.5-3 hours) are the main gateways. Iwami Ginzan is best reached by car or local bus from Odashi Station.

Where to go

The main hall of Izumo Taisha shrine

Izumo Taisha

One of Japan's oldest and most significant Shinto shrines, dedicated to Okuninushi, the god of relationships and nation-building — visitors clap twice, bow once, clap twice, bow once, a distinct ritual from most other shrines.

Wikimedia Commons, licensed CC BY 2.0 — re-confirm author/license on the file page before publishing

The preserved merchant town of Omori at the Iwami Ginzan Silver Mine

Iwami Ginzan

A former silver mine, now a UNESCO World Heritage Site, with preserved mining tunnels, a former magistrate's office, and the merchant town that grew up around it.

Wikimedia Commons, licensed CC BY-SA 4.0 — re-confirm author/license on the file page before publishing

The original keep tower of Matsue Castle

Matsue Castle

One of only twelve Japanese castles with an original, unreconstructed keep, overlooking Lake Shinji — also near Lafcadio Hearn's former residence, now a small museum.

Wikimedia Commons, licensed CC BY-SA 3.0 — re-confirm author/license on the file page before publishing

The landscaped garden of the Adachi Museum of Art

Adachi Museum of Art

An art museum whose Japanese garden has been ranked the best in Japan by a respected garden-ranking publication for over two decades running, viewed partly through the museum's windows like a living painting.

Wikimedia Commons, licensed CC BY-SA 3.0 — re-confirm author/license on the file page before publishing

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