Valmiki Ramayana Yuddha Kanda Sarga 74 Shloka 60

वज्रालयम् Vajralayaam (where Brahma gave Indra thunderbolt), सूर्यप्रभम् shining like the Sun, वैश्रवणालयं च the abode of Kubera, सूर्यनिबन्धनं च the spot where Sun was bound, ब्रह्मासनम् Brahma's abode, शङ्करकार्मुकं च the abode of the bow belonging to Lord Siva, वसुन्धरायाः the earth's, नाभिं च navel, ददर्श saw.

He saw Vajralayam (where Brahma gave Indra the thunderbolt), the abode of Kubera shining like the Sun, the spot where the Sun was bound, Brahma's abode and the abode of the bow of Lord Siva, and the earth navel.