21 A. A capital feast - that's great! LO??
11 A. Drive from Edinburgh to bishop's holy building (5)?MAY?
NB. There may be a misprint in the definition, there may be omitted wordplay for one letter in the answer, there may be a clash. This is a thematic puzzle - I have got the theme and much of the necessary bits and pieces.
11 across - Mecca site starts with C rather than K here. Your M is wrong and Y will form one of the clashes.
21 across - Middle Eastern Capital = your L is wrong