'directly under'?

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi,

I wonder if the phrase ‘directly under’ is commonly used. Please consider the following sentences:

  1. A split from B and became a city directly under the central government in 1990
  2. Company C is directly under the Ministry of National Defence

Thank you very much.

2

Yes, it is a common phrase when discussing hierarchies.