Himmapan

The Himavanta (Thai: หิมพานต์; rtgs: Himmaphan) is a legendary forest which surrounds the base of Mount Meru in Hindu mythology. It is said to be the home of an assortment of mythical creatures, such as the naga, the kinnara and the garuda.

The mythical Nariphon tree of Buddhist mythology, often mentioned in Thai folklore, is said to grow there.

...
Wikipedia