Get out to the surface from Belorusskaya metro-station (the one on the ring, the brown line). Turn right, cross the road, see Rostics cafe in front of you. Turn right and leave Rostics and Patio-pizza behind you to the left . On the first crossroad turn left and go forward until you see a big monument. Turn right befor the monument, leaving it behind on your left. You should see building 42 on Bolshaya Gruzinskaya street. Right after it - turn left, into the yard.