Esther 1:2
That in those days, when the king Ahasuerus sat on the throne of his kingdom, which was in Shushan the palace,
Cross-reference
Esther 2:3 places the gathering of virgins in the same citadel of Susa — directly continuing the setting established here.
Esther 3:15 again names Susa the citadel as the location of Haman's decree — reinforcing the same royal setting.
Esther 9:12-15 recounts the Jews' victory in Susa the citadel — the same location of the king's throne from the start.
In Esther 2:5, Mordecai is introduced as living in 'Susa the citadel' — the same setting as Ahasuerus’ throne.
In Esther 8:14, the king’s decree is issued 'in Susa the citadel' — repeating the exact location of his throne.
Nehemiah 1:1 also places the author in Susa the citadel — the same city, though under a later Persian king.
Daniel 8:2 places Daniel in Susa the citadel for his vision — a shared geographical setting with Esther.