Anatolia is the biggest peninsula in Turkey. It is approximately %90 of the country.
Turkey.
The large peninsula in southwest is Arabian Peninsula
The large Peninsula that reaches out into the Pacific Ocean is: The Kamchatka Peninsula.
The question is not very clear but what can be said it that the Asian part of Turkey is called Anadolu (Anatolia) which is a huge peninsula surrounded by the Black, Marmara, Aegean and Mediterranean Seas.
The Inishowen peninsula.
The land you describe is called the Antarctic Peninsula.
The Kamchatka Peninsula is the peninsula in the Russian Far East.
Yucatan Peninsula.
The triangular peninsula between Egypt and the Promised Land is called the Sinai Peninsula.
It is known as the Apennine Peninsula.
As with many Americanized terms, the name turkey was actually based on a mistake. Early European settlers to North America mistook the large native bird for a Guinea fowl which at that time was believed to originate from the Southeastern European region known as Turkey.
"Hellespont" is the ancient name for the Dardanelles, which is a strait that separates Asian Turkey from the Gallipoli peninsula of European Turkey, and links the Aegean Sea with the Sea of Marmara.