There are several synonyms for the term "Sierra Madre Oriental," which refers to the mountain range located in eastern Mexico. One alternative name for this range is the "Eastern Sierra Madre," which accurately reflects its position relative to other mountain ranges in the region. Another synonym is the "Oriental Range," which simply translates to "eastern range" in Spanish. Additionally, some locals refer to the Sierra Madre Oriental as the "Mother Range," as it is one of the most prominent features of the local landscape and holds significant cultural and historical importance to the people who live in the region.