Purba Medinipur district is an administrative unit in the Indian state of West Bengal. It is the southernmost district of Medinipur division – one of the five administrative divisions of West Bengal. The headquarters in Tamluk. It was formed on 1 January 2002 after the Partition of Medinipur into Purba Medinipur and Paschim Medinipur which lies at the northern and western border of it. The state of Odisha is at the southwest border; the Bay of Bengal lies in the south; the Hooghly river and South 24 Parganas district to the east; Howrah district to the north-east; Paschim Medinipur district to the west.
Purba Medinipur is formed of the sub-divisions of Tamluk, Contai and Haldia of erstwhile Medinipur district. Another sub-division, Egra has been created out of the erstwhile Contai sub-division during the partition of Medinipur. In 2011, the state government has proposed to rename the district as Tamralipta district after the ancient port city of Tamralipta which used to lie near the modern district headquarters.
Purba Medinipur saw many political movements during the British Raj.