Aden is a nation located at the northern edge of Aland. It is bordered to the north by Feyndraig, to the southwest by Opanan, and to the southeast by Vedkal. Aden shares a significant maritime border with Risila to the west.

Aden has coastline on the Serenic Ocean to the west, the Ephemeric Ocean to the east, and the Magmaean Sea to the south.

Aden has a population of 407,524,178 as of the most recent census.

Aden was founded in antiquity, over 10,000 years ago, in what is now Loeg.

Aden is a constitutional empire, and has been ruled by an emperor from the Gendu family for 540 years.