Complex sentence: As defined by the Alpine Convention of 1991, the region of the Alps comprise the territory of 7 countries which includes 83 NUTS 3-level local administrative regions and about 6,200 communities/municipalities.
Split into simpler sentences: As defined by the Alpine Convention of 1991, the region of the Alps comprise the territory of 7 countries. This territory includes 83 NUTS 3-level local administrative regions and about 6,200 communities/municipalities.