Woodwind.
The trombone is part of the brass section.
it belongs in wood wind
wind section
Generally, they are considered part of percussion.
It is considered a brass instrument because of its buzz-style mouthpiece
If you mean what family of instruments, it's in the brass family. It is in the family of 'wind' instruments. I play one myself! Great instrument!
The string family is the largest group in the orchestral family
woodwinds
Strings
It's in the percussion family
sss
Brass