毛利氏 (Mōri clan) was a prominent samurai family in Japan during the feudal era, particularly known for their influence in the western region of the country. They rose to power in the 16th century, playing a significant role in the Sengoku period, a time marked by social upheaval and military conflict. The clan's most notable leader was Mōri Motonari, who expanded their territory and established a strong political presence. The Mōri clan was known for their strategic prowess and alliances, which helped them maintain control over their domain. They were also involved in trade and cultural exchanges, contributing to the development of Chūgoku region. The clan's legacy continues to be remembered in Japanese history, particularly for their contributions to the unification of Japan.