"It is an extremely complicated issue. According to international law, Crimea is Ukrainian. People live there and we must admit the fact that those who live there are cautious about Ukraine. Ukraine must admit this too. And we'll have to decide together what we are going to do. It is impossible to take it and then give it back," she said at a news conference with Ukrainian journalists, Obozrevatel reports.

Read alsoSobchak stands for new referendum in Crimea"Within a few years after the change of power in Russia, a referendum which will be recognized internationally must be held. People themselves must decide," Sobchak said.