It produces the finest cognacs in a zone of 34703 hectares , of which 17 % is dedicated to production of cognac .
Grande Champagne is a French district , called a cru , known for its cognac .
Grande Champagne produces the finest cognacs in a zone of 34703 hectares , of which 17 % is dedicated to production of cognac .
Grande Champagne is a French district , called a cru , known for its cognac .