Bhagavatapurana 4.6.8

4.6.8

sa ittham ādiśya surān ajas tu taiḥ samanvitaḥ pitṛbhiḥ sa-prajeśaiḥ /
yayau sva-dhiṣṇyān nilayaṃ pura-dviṣaḥ kailāsam adri-pravaraṃ priyaṃ prabhoḥ //

8. Having thus admonished the gods and being accompanied by them as well as by the Pitris and the Prajāpatis, Aja (Brahma) started from his residence towards the great mountain Kailāsa, the beloved seat of the Lord Śiva, the enemy of the Tripura-Asuras.