[6] Located in the southwestern department of Loire-Atlantique , Pornic intercommunal Agglo Retz includes 15 towns and has an area of 522.1 km2 (201.6 sq mi).

Following the 2020 municipal elections in Loire-Atlantique, the community council of 9 July 2020 re-elected its president, Jean-Michel Brard, mayor of Pornic, as well as its 9 vice-presidents.

As of this date, the list of vice-presidents is as follows: With 13 other elected officials, they form the community office for the period 2020-2026.

The intercommunality exercises the powers which have been transferred to it by the member municipalities, under the conditions defined by the general code of local authorities .

In order to finance the exercise of its powers, the intercommunality collects the single professional tax [ 3 ] (FPU) - which succeeded the single professional tax (TPU) - and ensures an equalization of resources between the residential municipalities and those with of activity zones.