索非亚

例句：

1. 1. Sofia is the capital of Bulgaria.
   索非亚是保加利亚的首都。
2. 2. The city of Sofia is famous for its beautiful architecture.
   索非亚市以其美丽的建筑而闻名。
3. 3. Many tourists visit Sofia to see its historical landmarks.
   许多游客参观索非亚以欣赏其历史地标。