Each address includes land (4)
I believe the answer is:
chad
'land' is the definition.
(I know that Chad is or was a African country)
'each address includes' is the wordplay.
'includes' says the answer is hidden in the clue.
'CHAD' is hidden within 'each address'.
(Other definitions for chad that I've seen before include "Fish" , "North central African country, capital N'Djamena" , "African republic; punched bits" , "small piece forcibly removed" , "Feature of controversial election once" .)