What is the name of the peninsula in Asia where the country of Korea is located?

Which peninsula is bounded by the Adriatic Sea to the west and the Black Sea to the east? Which peninsula is located in the northwestern part of North America? What is the name of the peninsula in Europe where the country of Spain and Portugal are located? Which peninsula is bounded by the Black Sea to the north and the Mediterranean Sea to the south? What is the name of the peninsula that separates the Red Sea from the Persian Gulf? Which peninsula is located in northern Russia and borders the Barents Sea? Which peninsula is located in eastern Russia and borders the Sea of Okhotsk? What is the name of the peninsula that separates the Gulf of Mexico from the Atlantic Ocean?