Los Angeles is the largest seaport in the United States. As one of the centers of world culture, science, technology, international trade and higher education, it also has world-renowned institutions in various professional and cultural fields. This city and its neighboring areas constitute the foundation of Los Angeles' international reputation and global position in the fields of mass entertainment such as movies, television and music, and the world-famous Hollywood is located in this city. Los Angeles has become the largest petrochemical, marine, aerospace and electronic industrial base in the United States. It is one of the major science and technology centers in the United States, with the largest seaport in the western United States and the title of "City of Science and Technology". Los Angeles has become the financial center of the United States after new york.