CC Antya 14.74

siṁha-dvāre dekhi’ prabhura vismaya ha-ilā
‘kāṅhā kara ki’ — ei svarūpe puchilā
Word for word: 
siṁha-dvāre — at the gate known as Siṁha-dvāra; dekhi’ — seeing; prabhura — of Śrī Caitanya Mahāprabhu; vismaya ha-ilā — there was astonishment; kāṅhā — where; kara ki’ — what am I doing; ei — this; svarūpe puchilā — inquired from Svarūpa Dāmodara Gosvāmī.
Translation: 
Śrī Caitanya Mahāprabhu was very much astonished to find Himself in front of the Siṁha-dvāra. He asked Svarūpa Dāmodara Gosvāmī, “Where am I? What am I doing here?”