Pretty easy, but, isn't Turkey also divided between continents? I realize continental distinctions are arbitrary, but I have also often read that Istanbul is the only city in the world that straddles two continents, half of the city being on either side of the Bosporus.
Kalba is correct I think. Also Hungary is the largest landlocked country in Europe. Belarus doesn't come close. There's also a couple of typos in your quiz. Still a good quiz though.
Hungary doesn't even come close