CC Ādi 10.121

gauḍa-deśa-bhaktera kaila saṅkṣepa kathana
ananta caitanya-bhakta nā yāya gaṇana
Word for word: 
gauḍa-deśa — in Bengal; bhaktera — of the devotees; kaila — I have described; saṅkṣepa — in brief; kathana — narration; ananta — unlimited; caitanya-bhakta — devotees of Lord Caitanya; — not; yāya — can be; gaṇana — counted.
Translation: 
I have given a brief description of the devotees of Lord Caitanya in Bengal. Actually His devotees are innumerable.