Which operation took place farther north, Operation Nordwind or Gothic Line?
Gothic Line:  It formed Field Marshal Albert Kesselring's last major line of defence along the summits of the northern part of the Apennine Mountains during the fighting retreat of the German forces in Italy against the Allied Armies in Italy, commanded by General Sir Harold Alexander. Operation Nordwind: Operation North Wind (German: "Unternehmen Nordwind" ) was the last major German offensive of World War II on the Western Front. Operation Nordwind:  It began on 31 December 1944 in Alsace and Lorraine in northeastern France, and ended on 25 January.
Operation North Wind