in those days when King Ahasuerus sat on the throne of his kingdom, which was in Shushan the citadel,
Esther 1:2
Surrounding context
1:1 Now it came to pass in the days of Ahasuerus (this was the Ahasuerus who reigned over one hundred and twenty-seven provinces, from India to Ethiopia),
1:2 in those days when King Ahasuerus sat on the throne of his kingdom, which was in Shushan the citadel,
1:3 that in the third year of his reign he made a feast for all his officials and servants--the powers of Persia and Media, the nobles, and the princes of the provinces being before him--