Vegan travelling round European city (6)
I believe the answer is:
geneva
'city' is the definition.
(Geneva is an example)
'vegan travelling round european' is the wordplay.
'travelling' indicates anagramming the letters.
'round' means one lot of letters goes inside another.
'european' becomes 'E' (abbreviation e.g. EU).
'vegan' anagrammed gives 'genva'.
'genva' placed around 'e' is 'GENEVA'.
(Other definitions for geneva that I've seen before include "Lake between Switzerland and France" , "Swiss city/lake" , "Calvin's city" , "Average in Swiss city" , "(famous for its Red Cross)" .)