Mariana is a name of Latin origin, often associated with the meaning "sea" or "of the sea." It is commonly used in various cultures and languages, including Spanish, Portuguese, and Italian. The name has historical significance and is sometimes linked to the Virgin Mary, enhancing its popularity in religious contexts. In addition to being a personal name, Mariana can refer to the Mariana Trench, the deepest part of the world's oceans, located in the western Pacific Ocean. This trench reaches depths of about 36,000 feet and is known for its unique marine life and extreme environmental conditions.