A hideout somewhere in Western Asia (4)

I believe the answer is:

aden

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'somewhere in western asia' is the definition.
The definition suggests a singular noun which matches the answer.

'a hideout' is the wordplay.
'hideout' becomes 'den' ('den' can be a synonym of 'hideout').
'a'+'den'='ADEN'

Can you help me to learn more?

(Other definitions for aden that I've seen before include "Red Sea port" , "Dean out in the seaport city" , "Port city of Yemen" , "Commercial capital of Yemen" , "Strange Dane to be in the Yemen" .)

I've seen this clue in The Telegraph.

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