Which peninsula is the largest in Europe?

What is the name of the peninsula that separates the Baltic Sea from the North Sea? Which peninsula is home to the city of Naples? Which peninsula is part of the country of Sweden? Which peninsula in Asia is home to the countries of Thailand, Malaysia, and Singapore? What is the name of the peninsula in Alaska, USA, that separates the Pacific Ocean from the Bering Sea? What is the name of the peninsula in India that separates the Arabian Sea from the Bay of Bengal? Which of the following peninsulas is a part of the Asian country of Sri Lanka? What is the name of the peninsula where the city of Rome is located?