Europe is located in three, not two, hemispheres. The Northern, Eastern, and Western.
Europe's two hemispheres are the northern, eastern, and western ones.
North America and Europe and possibly Oceania
Europe and Africa lie partly in the western hemisphere and partly in the eastern hemisphere. The prime meridian, which divides the Earth into eastern and western hemispheres, runs through Greenwich, London, with most of Europe and Africa lying to the east of this line.
Europe, Antarctica and Africa: both Western and Eastern. South America, Asia and Africa: both Southern and Northern. Only includes contrasting hemispheres.
north eastern hemisphere
Northern
South America and Africa are the two continents in both Southern and Northern Hemispheres.
Europe and North America
Asia and Europe
Europe and North America are.
Istanbul is located on two continents: Asia and Europe.