Valmiki Ramayana Ayodhya Kanda Sarga 54 Shloka 22
Original Shlokaअवकाशो विविक्तोऽयं महानद्योस्समागमे। पुण्यश्च रमणीयश्च वसत्विह भवान् सुखम्।।2.54.22।।
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महानद्योः of two great rivers, समागमे at the confluence, अयम् this, अवकाशः region, विविक्तः solitary, पुण्यश्च is also sacred, रमणीयश्च pleasant, भवान् you, इह here, सुखम् comfortably, वसतु can dwell.
This sacred and solitary region near the confluence of two great rivers (Ganga and Yamuna) is a pleasant place. You may stay here comfortably.