Valmiki Ramayana Ayodhya Kanda Sarga 84 Shloka 13

काकुत्स्थ O Kakutstha, तस्मात् therefore, निषादाधिपः overlord of Nishadas, गुहः Guha, त्वाम् you, पश्यतु let him see, तौ रामलक्ष्मणौ both Rama and Lakshmana, यत्र where, असंशयम् undoubtedly, विजानीते he will know.

O scion of the Kakusthas (Bharata) therefore, give audience to the overlord of the nishadas, Guha, who undoubtedly knows the whereabouts of Rama and Lakshmana.