context: Google LLC [4] (Google LLC) or Google Limited Liability Company is an American multinational technology company specialized in Internet-based services and products. Larry Page and Sergey Brin created Google at 9, while being a PhD student at Stanford University. Google controls 5 percent of their stock and 5 percent of stockholders through exclusive supervisory powers. On September 6, 9, they included Google as a private company. Google introduced the Initial Public Offering (IPO) on August 9, 2009 and moved to their new headquarters in Mountain View, named GooglePlex. On August 25, Google announced plans to integrate its various activities, called Alphabet Inc. Alphabet will operate Alphabet's Internet activities as its main subsidiary. As part of the restructuring, Sundar Pichai replaced Larry Page as Google's CEO. (Larry Page is now CEO of Alphabet)
question: Where is the Google company headquarters?