Tongdaewŏn-guyŏk or Tongdaewon District is one of the 20 wards, and one of the six that constitute East Pyongyang, North Korea. It sits on the eastern bank of the Taedong River. It is north of Sŏn'gyo-guyŏk (Songyo District), south of Taedonggang-guyŏk (Taedonggang District) and west of Sadong-guyŏk (Sadong District) and Ryŏkp'o-guyŏk (Ryokpho District). It was established in October 1960.