Place
Bhū-maṇḍala
Part of Devī-dhāma

is the chart's representation of the traditional arrangement of seven islands and seven oceans. is central, pivoting around Mount Meru at its axis, and within it is associated with human religious and spiritual opportunity.
Material-cosmology panel — the horizontal map of Bhūrloka's islands and oceans, a different view of the same ground the Fourteen Planetary Systems describe vertically.
It's the chart's only zone that places ordinary human life on the map at all — everywhere else here is a realm beyond material experience, but inside is where the tradition says the reader of this chart is actually standing.
Source: Śrīmad-Bhāgavatam; chart explanation · Direct scriptural supportThis is sacred cosmography. It carries theological meaning and should not be forced into a modern geographic grid.