 Pripyat is a city much closer to the plant; it was built in the 1970s as a home for the power plant's workers, and its population of 50,000 was evacuated 30 hours after the accident.The city of Slavutych, built for those evacuated from Pripyat, also received the population evacuated from Chernobyl.The city was the administrative center of Chernobyl Raion (district) from 1923.