There in the north, at the bottom of Mount Meru, is a forest known as Sukumāra where Lord Śiva always enjoys with Umā. Sudyumna entered that forest.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
स कुमारो वनं मेरोरधस्तात्प्रविवेश ह । यत्रास्ते भगवान् शर्वो रममाणः सहोमया
sa kumāro vanaṃ meroradhastātpraviveśa ha | yatrāste bhagavān śarvo ramamāṇaḥ sahomayā
SB 9.1.25