Where America's Day Begins is a term that refers to the U.S. territory of Guam, which is located in the western Pacific Ocean. It is the southernmost and largest island in the Mariana Islands archipelago and is the first U.S. territory to see the sunrise each day. Guam is an unincorporated and organized territory of the United States, and its capital is Hagåtña. It is home to a population of over 160, 000 people and is known for its tropical climate, beautiful beaches, and diverse culture.