Slavsk (until 1946 - Heinrichswalde, German Heinrichswalde) is a city in the Kaliningrad region of Russia, the administrative center of the Slavsk urban district.
Located on the Primorskaya lowland, 120 km north-east of Kaliningrad. Slavsk-Novy railway station on the Kaliningrad - Sovetsk line, 16 km from Sovetsk, where the checkpoint to Lithuania is located.
