Esther 2:8; Esther 2:19

8 So when the king's order and his edict were proclaimed, and when many young women were gathered in Susa the citadel in custody of Hegai, Esther also was taken into the king's palace and put in custody of Hegai, who had charge of the women.
19 Now when the virgins were gathered together the second time, Mordecai was sitting at the king's gate.