Limanu is a commune in Constanța County, Northern Dobruja, Romania.

At the 2011 census, Limanu had 5,337 Romanians (85.1%), 8 Hungarians (0.1%), 84 Roma (1.3%), 3 Germans (0.05%), 6 Turks (0.10%), 179 Tatars (2.9%), 178 Lipovans (2.8%), 4 others (0.07%), 465 with undeclared ethnicity (7.4%).

[3] The commune includes four villages: 2 Mai (Romanian pronunciation: [doj maj], "May 2") is a village in the Limanu commune and a small resort on the shore of the Black Sea, between Mangalia and Vama Veche.

After finishing this campaign Crassus led his troops against the cave called Ciris(Keiris/Ceiris).

For the natives in great numbers had occupied this cave, which is extremely large and so capable of defence that the tradition obtains that the Titans took refuge there after their defeat suffered at the hands of the gods; and here they had brought together all their herds and their other most cherished belongings.