CC Madhya 20.190

kṛṣṇera ei cāri prābhava-vilāsa
dvārakā-mathurā-pure nitya iṅhāra vāsa
Word for word: 
kṛṣṇera — of Lord Kṛṣṇa; ei — these; cāri — four; prābhava-vilāsa — prābhava pastime forms; dvārakā-mathurā-pure — in the two cities Dvārakā and Mathurā; nitya — eternal; iṅhāra — of Them; vāsa — the residential quarters.
Translation: 
“These four prābhava pastime forms of Lord Kṛṣṇa reside eternally in Dvārakā and Mathurā.