The urban municipality (bykommune) of Oslo and county of Oslo are two parts of the same entity, making Oslo the only city in Norway where two administrative levels are integrated.
奥斯陆市的自治市部分和奥斯陆郡，是同一个实体的两个部分，使得奥斯陆成为了挪威唯一一座集成了两级行政级别的城市。