The autumn rasā-līla, called saradiya-rāsa, is described in Srimad Bhagavatam. it transpired in Vrindavan’s Vamsivata, a vast forest where millions of gopis gathered to dance…
The scriptures have stated the main reason for the appearance of Lord Sri Krishna Chaitanya Mahaprabhu:
śrī-rādhāyāḥ praṇaya-mahimā kīdṛśo vānayaivā- svādyo yenādbhuta-madhurimā kīdṛśo vā madīyaḥ…