Complex sentence: The capital of the autonomous republic is the city of Simferopol, located in the centre of the peninsula, which is a separate administrative unit and considered a city with special status, like the Ukrainian capital city of Kiev.
Split into simpler sentences: The capital of the autonomous republic is the city of Simferopol, located in the centre of the peninsula. The city of Sevastopol is a separate administrative unit and is considered a city with special status, like the Ukrainian capital city of Kiev.