Bachi is the most populous nation in Aland, as well as in the world. It is bordered by Garzes, to the northeast, Fadha to the east, and Kagnur to the south. It is bordered to the north by the Magmaean Sea, to the west by the Serenic Ocean, to the south by the Gondwanese Ocean on either side of Kagnur, and to the west by the Yaq-Ebbes Ocean.

Bachi is dominated by the Great Blind Desert, which spans over about 85% of its total land area.