Caitanya-caritāmṛta 2.16
āmbuyā-muluke haya nakula-brahmacārī parama-vaiṣṇava teṅho baḍa adhikārī
[aambuyaa-muluke haya nakula-brahmachaaree parama-vaishnava tenho bada adhikaaree]
Blended reading (Sanskrit + English inline)
āmbuyā-muluke haya nakula-brahmacārī parama-vaiṣṇava teṅho baḍa adhikārī
In Āmbuyā-muluka there was a person named Nakula Brahmacārī, who was a perfectly pure devotee, greatly advanced in devotional service.
Purport
Śrīla Bhaktivinoda Ṭhākura says that Āmbuyā-muluka is the present Ambikā, a city in the Burdwan district of West Bengal. Formerly, during the Muslim regime, it was known as Āmbuyā-muluka. In this city there is a neighborhood called Pyārīgañja, and that is where Nakula Brahmacārī used to live.
— A.C. Bhaktivedanta Swami Prabhupāda
My note
Source: vedabase.io