puresu

pureṣu — holy places like Ayodhyā, Dvārakā and Mathurā; SB 3.1.18
pureṣu — at those three residences occupied by the demons; SB 7.10.57
pureṣu — within these residential places or bodies; SB 7.14.37
pureṣu — in the bodies; SB 10.87.20