What is "krenitsyn"

Krenitsyn, spelt Krenitzin in the United States, may refer to any of the following:

• Pyotr Krenitsyn, a Russian explorer and Captain/Lieutenant of the Imperial Russian Navy.
• The highest peak on Onekotan Island, located in the midst of the Tao-Rusyr Caldera.
• The Krenitzin Islands in Alaska.
• Cape Krenitzin at the SW end of the Alaska Peninsula.