Back then, the city exported wooden utensils known far beyond the provincial boundaries.
A page containing a map of the old provincial boundaries is available here.
Since the 17th century, provincial boundaries in China have remained largely static.
The old provincial boundaries are mirrored in the island's subprefectures.
Since 1954, provincial boundaries in both the North and South have remained unchanged.
Over the weekend they sought to make small changes in provincial boundaries that would favor the Muslims.
Another was that pipelines crossing provincial boundaries and those leaving the country fall under federal jurisdiction.
This is frustrating for Government forces, which tend to stop at provincial boundaries.
The old provincial boundaries continue to be used to determine the application of certain public holidays.
In most cases, it travels within 10 km (6 mi) of the provincial boundary.