|• Total||6,904.93 km2 (2,666.01 sq mi)|
(31 Dec. 2006)
|• Density||380/km2 (980/sq mi)|
The last time the boundaries of the region were changed was 1975. This was when the number of districts was changed from 10 to 5, and the number of district-free cities (urban districts) from six to three.
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