Casanova's city love (5)

I believe the answer is:

romeo

'casanova's' is the definition.
(I've seen this before)

'city love' is the wordplay.
'city' becomes 'rome' (Rome is an example**).
'love' becomes 'o' (In tennis, 'love' means 'zero').
'rome'+'o'='ROMEO'

(Other definitions for romeo that I've seen before include "Lover of Juliet" , "Ardent male lover" , "Fellow" , "Tragic Shakespeare hero" , "Juliet's swain" .)

I've seen this clue in The Telegraph.

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