Complex sentence: Sassari (;;) is an Italian city and the second-largest of Sardinia in terms of population with over 130,000 inhabitants, or about 300,000 including the metropolitan area.
Split into simpler sentences: Sassari (;;) is an Italian city. It is the second-largest city of Sardinia in terms of population with about 130,000 inhabitants, or about 300,000 including the greater metropolitan area.