Complex read to include feature in Mao's domain (3,5)

'mao's domain' is the definition.
The definition and answer can be both locations as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'complex read to include feature' is the wordplay.
'complex' indicates anagramming the letters.
'to include' means one lot of letters goes inside another.
'feature' becomes 'chin' (chin is a kind of feature).
'read' anagrammed gives 'reda'.
'reda' placed around 'chin' is 'RED CHINA'.

'in' acts as a link.

Can you help me to learn more?