Slavsk, prior tae 1946 kent bi its German name Heinrichswalde, is a toun an the admeenistrative center o Slavsky Destrict in Kaliningrad Oblast, Roushie, locatit 105 kilometer (65 mi) northeast o Kaliningrad, the admeenistrative centre o the oblast. Population: 4,614 (2010 Census); 5,172 (2002 Census); 4,682 (1989 Census).