CREATE TABLE table_55115 ("Region" TEXT, "Capital" TEXT, "Area  ( km\\u00b2 ) " TEXT, "Area  ( sq. mi. ) " TEXT, "Population" TEXT, "GDP  (  bn  ) " TEXT)

Which Region has an Area of 9,451km ?
SELECT "Region" FROM table_55115 WHERE "Area (km\u00b2)" = '9,451'
SELECT "Region" FROM "table_55115" WHERE "Area (km\u00b2)" = '9,451'