Complex sentence: Tijuana is located on the Gold Coast of Baja California, and is the municipal seat and cultural and commercial center of Tijuana Municipality, covering 70% of the municipality but with over 80% of its population.
Split into simpler sentences: Tijuana is located on the Gold Coast of Baja California, and is the municipal seat and cultural and commercial center of Tijuana Municipality. Tijuana covers 70% of the municipality but contains over 80% of its population.