CC Madhya 17.52

gauḍa, baṅga, utkala, dakṣiṇa-deśe giyā
lokera nistāra kaila āpane bhramiyā
Word for word: 
gauḍa — Bengal; baṅga — East Bengal; utkala — Orissa; dakṣiṇa-deśe — southern India; giyā — going; lokera — of all the people; nistāra — liberation; kaila — did; āpane — personally; bhramiyā — touring.
Translation: 
In this way, Śrī Caitanya Mahāprabhu personally toured Bengal, East Bengal, Orissa and the southern countries, and He delivered all kinds of people by spreading Kṛṣṇa consciousness.