The Lyran Commonwealth is a major political entity in the fictional universe of the BattleTech franchise. Established in the 24th century, it is known for its strong economy and military power, primarily composed of the Lyran Alliance and other territories. The Commonwealth is characterized by its focus on trade and commerce, making it one of the wealthiest factions in the galaxy. The government of the Lyran Commonwealth is a constitutional monarchy, with a ruling monarch supported by a parliament. The Commonwealth's military forces, known as the Lyran Armed Forces, are well-equipped and trained, emphasizing heavy firepower and advanced technology in their BattleMechs.