prema-vaśa - subdued by loving service; gaura-prabhu - Śrī Caitanya Mahāprabhu, Gaurasundara; yāhāṅ prema-uttama - wherever there is pure love; prema-vaśa hañā - being subdued by such love; tāhā - there; dena daraśana - appears personally.

Lord Gaurasundara is greatly influenced by the love of His devotees. Therefore wherever there is pure devotion to the Lord, the Lord Himself, subdued by such love, appears, and His devotees see Him.