先: Formerly. Previously. Originally. Pioneer. What comes before in time or sequence, in contrast to "later."
城: City, metropolis. In personal names, it conveys the meaning of prosperity, flourishing, and a peaceful and prosperous nation.
Meaning: The name 'Xian Cheng' symbolizes a leading city, representing wisdom and leadership, signifying the ability to take the lead and achieve greatness in career or life.