Complex sentence: Half of the cities of district significance are located within just six oblasts, supported by the fact that 94% of all of the cities in Ternopil Oblast and 82% in Chernivtsi Oblast are designated cities of district significance.
Split into simpler sentences: Half of the cities of district significance are located within just six oblasts. This is evidenced by the fact that 94% of all of the cities in Ternopil Oblast and 82% of all cities in Chernivtsi Oblast are designated cities of district significance.