Place
Central Vaikuṇṭha City
Part of Vaikuṇṭha

The chart depicts a central spiritual city with jewel-like walls, gates, palaces, , attendants, and a central . Its eight-petalled lotus is associated in the chart explanation with the Gāyatrī mantra and the Lord with Lakṣmī.
Centre of the Vaikuṇṭha lotus/city diagram
Tying the eight-petalled plan to the Gāyatrī mantra is the diagram's actual claim: the city's layout is meant to be read as a form of the mantra, not as architecture that happens to be described in detail.
Source: Laghu-bhāgavatāmṛta material reproduced in the chart · Chart / explanatory traditionA city built out of vimānas, gates, and a working court doesn't read like an abstraction. Even "symbolic" architecture, described this specifically, asks to be pictured as real.