The City of Brittany is a region in France that consists of two major cities, Brest and Rennes. Brest is a port city located in the Finistère department of Brittany in northwestern France, and has a population of around 140, 000 people. Rennes is the capital of the region and is located in the Ille-et-Vilaine department of Brittany in northwestern France, with a population of around 210, 000 people. Both cities are important cultural and economic centers in the region.