Complex sentence: The administrative center of the region is Berdiansk which is situated on the northern coast the sea of Azov.It's the city with population of around 120 000 people.
Split into simpler sentences: The administrative center of the region is Berdiansk. The capital of raion is Berdyansk which is situated on the northern coast the sea of Azov.It's the city with population of around 120 000 people.