Bhagavatapurana 4.25.46

4.25.46

pañca dvāras tu paurastyā dakṣiṇaikā tathottarā /
paścime dve amūṣāṃ te nāmāni nṛpa varṇaye //

46. (Of the entrances) five are on the east (in the front), one on the south and one again in the north; and the (remaining) two are on the west (at the back); I shall tell you their names, O king!