shu.shan is the proper name of the place portrayed as a citadel, palace setting, or city in biblical events.

The noun proper identifies the same named place across visions, royal-court scenes, decrees, and the actions of its inhabitants; the surrounding clauses variously present it as a palace or citadel setting and as a city.

1. Proper name of the royal and civic setting · dominant

   All supplied tokens are tagged Noun · Proper and identify the place in differing scenes. In Esther 1:2 the APB renders the king as seated on his throne “in the citadel of Susa”; in Esther 3:15 it distinguishes an edict issued there from the city's confusion, while Esther 9:15 locates both the assembled Jews and the killing of men there. Daniel 8:2 likewise places the visionary speaker there beside the river Ulai.

   Esther 1:2Esther 3:15Esther 9:15Daniel 8:2Nehemiah 1:1Esther 8:15

In the Anselm Project Bible: The APB presents the name with setting descriptions such as “Susa the citadel,” “Susa the palace,” and “the city of Susa.” These descriptions show the verse-level presentation of the place rather than separate renderings of the noun proper.