Marmara

There is more than one place called Marmara, all named after the sea of the same name:

Turkey

 * Marmara Region — a region in northwest Turkey, surrounding the Sea of Marmara:
 * Eastern Marmara within it, with Gebze, İzmit, and Adapazarı its main cities.
 * Southern Marmara, with Bursa its main city.
 * Marmara Islands — an archipelago in the mid-west of the Sea of Marmara.
 * Marmara Island — the largest of the Marmara Islands.
 * Marmara Ereğlisi — a town on the north mainland coast of that sea.

Greece

 * Neos Marmaras ("New Marmara") — a village founded by settlers from Marmara Island.