The Mingun Pahtodawgyi (မင်းကွန်းပုထိုးတော်ကြီး, IPA: [mɪ́ɴɡʊ́ɴ patʰóu dɔ̀ dʑí]) is an incomplete monument stupa in Mingun, approximately 10 kilometres (6.2 mi) northwest of Mandalay in Sagaing Region in central Myanmar (formerly Burma). The ruins are the remains of a massive construction project begun by King Bodawpaya in 1790 which was intentionally left unfinished. The pahtodawgyi is seen as the physical manifestations of the well known eccentricities of Bodawpaya. He set up an observation post on an island off Mingun to personally supervise the construction of the temple.