[2] The district is a deltaic tract, bordering south on the sea and traversed by many tidal creeks.

Daw Khin Kyi, the wife of national leader General Aung San was born in Myaungmya.

The Township is the site of the Myaungmya Incident, the first large-scale armed ethnic clashes between Karens and Burmans in 1942.

[2] The Viceroy of Myaungmya, Laukpya, rebelled against the Hanthawaddy Kingdom during the reign of Binnya U in 1364 CE.

[5] Myaungmya and other territories held by Laukpya eventually surrendered to Binnya U's successor, Razadarit, after a battlefield loss in 1390.

The Township was the site of the Myaungmya Incident, one of the first large-scale armed clashes between Burmans and Karens.

The incident saw the Burmese Independence Army kill about 5,000 ethnic Karen and destruction of 15-30% of 2,000 villages in the Myaungmya District.

The Thilla Hills lie in the western part of the township with much of that area being characterized by low-lying valleys and deltaic streams.

The Township has many prominent waterways including the Panmawaddy, Ngawan and Yway Rivers providing freshwater and transportation pathways.

The primary economic activity within the township is agriculture with the major markets of Yangon, Pathein and Labutta accessible by road and waterways.

To aid in the town's agriculture, the township has various irrigation channels and dams to direct the monsoon rains effectively.