### Clue: Champ embracing one in conference centre (6)
### Answer: MUNICH 
 ### Explanation: Definition: conference centre
 MUNCH(to champ;to chew noisily) **containing**(in) I(Roman numeral for "one").
Answer: The venue, since 1963, of the Munich Security Conference, an annual conference on international security. It was also the venue in 1938 of the negotiations (less of a conference) amongst Germany, France, the UK, and Italy that resulted in the Munich Agreement.