Damietta is a port city and the capital of the Damietta Governorate in Egypt. It is located at the Damietta branch, an eastern distributary of the Nile Delta, 15 kilometres (9.3 mi) from the Mediterranean Sea, and about 200 kilometres (120 mi) north of Cairo. It was a Catholic bishopric and is a multiple titular see. It is also a member of the UNESCO Global Network of Learning Cities.

Damietta Governorate is one of the 27 governorates of Egypt. It is located in the northeastern part of the country, and has a population of over 1.3 million. The capital is the city of Damietta.