The Unity Tower (officially the Tower of East Asian Unity) is a Monument in Seogyeong, East Asian Federation. The tower memorializes the East Asian Unity Treaty, signed in 1976, forming the Federation between the Republic of Korea and the State of Japan. Completed in 2001, it is situated on the eastern bank of the Taedong River, directly across from Gyoyug Square and the Central Library of the East Asian Federation, which are located opposite across the river. It was built to commemorate the 25th anniversary of the Federation's founding.