Tajima Province (但馬国)

Geography and neighbors

Tajima lay at the northern edge of what is now Hyōgo Prefecture and was bordered by other historical provinces. A convenient summary of its position is shown on many maps of old provincial borders (historical border map). The neighboring provinces were:

• Harima
• Inaba
• Tamba
• Tango

History and administration

The provincial system that produced Tajima was formalized under the ritsuryō codes of the Nara and Heian periods, when Japan was divided into provinces (kuni) for taxation and governance. The provincial capital of Tajima was established near the settlement of Hidaka, which served as the administrative center in ancient times. Over centuries the province was governed under successive regimes, and during the feudal era its territory was administered as a collection of domains (han) before the abolition of the han system.

Economy and society

The mixed coastline and interior made Tajima economically diverse. Coastal communities relied on fishing and maritime trade, while inland valleys and terraces supported agriculture. Mountainous areas provided timber and other forest products. As in many provinces, local markets, crafts, and seasonal fairs shaped daily life and regional identity.

Modern legacy

With the Meiji Restoration and the establishment of the prefecture system in the late 19th century, Tajima ceased to exist as an administrative unit and its lands were incorporated into Hyōgo Prefecture. Today the name survives in historical studies, regional place names, and cultural references. Visitors and scholars use archival records, archaeological sites, and surviving place names to trace the province's former boundaries and institutions.

Notable facts

Aside from its alternative name Tanshū, Tajima is often cited in surveys of provincial organization because it illustrates how coastal and inland environments were combined within a single kuni. For further general background on historical provinces and their maps see regional resources and guides to Japan's premodern geography (border maps).