Land seen worked by girl (7)
I believe the answer is:
senegal
'land' is the definition.
(I know that Senegal is a African country)
'seen worked by girl' is the wordplay.
'worked' indicates an anagram.
'by' is a charade indicator (letters next to each other).
'girl' becomes 'gal' ().
'seen' with letters rearranged gives 'sene'.
'sene'+'gal'='SENEGAL'
(Other definitions for senegal that I've seen before include "Part of Africa" , "Country surrounding the Gambia" , "W African republic" , "Sea glen in the African state" , "Dakar is its capital" .)