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The northern border of the municipality, close to Mercenasco, was well-defined. However, over the centuries there have been numerous disputes over the northern borders, mainly due to the territorial conformation. Moreover, between the fifteenth and sixteenth centuries until the early nineteenth century, the main characters of the disputes were Orio and San Giorgio, both communities decided to build a moat. San Giorgio owned a large part of the territory of Montalenghe, therefore, Montalenghe bought a part of this land and took away its right of territoriality. The story developed over the decades, but it never turned into a radical crisis of the territories; rather, this complicated situation redefined the relations between the various communities, which decided to retreat by providing some of their resources.
Satellite image showing the current boundaries.