CC Madhya 18.70

lokera saṅghaṭṭa dekhi mathurā chāḍiyā
ekānte ‘akrūra-tīrthe’ rahilā āsiyā
Word for word: 
lokera — of people; saṅghaṭṭa — crowd; dekhi — seeing; mathurā — the city of Mathurā; chāḍiyā — leaving; ekānte — in a solitary place; akrūra-tīrthe — at Akrūra-tīrtha; rahilā — stayed; āsiyā — coming.
Translation: 
Seeing a great crowd assemble at Mathurā, Śrī Caitanya Mahāprabhu left and went to Akrūra-tīrtha. He remained there in a solitary place.
Purport: 

Akrūra-tīrtha is also mentioned in the Bhakti-ratnākara (Fifth Wave):

dekha, śrīnivāsa, ei akrūra grāmete
śrī-kṛṣṇa-caitanya-prabhu chilena nibhṛte

“Śrīnivāsa, look at this village of Akrūra. Śrī Caitanya Mahāprabhu stayed there in a solitary place.”