dǐ bǐ sī
Thebes, place name in ancient Egypt
Thebes, ancient Greek city state
底
dǐ
bottom; base
比
bǐ
abbr. for 比利時|比利时[Bi3 li4 shi2]
斯
sī
abbr. for 斯洛伐克[Si1 luo4 fa2 ke4]