Constanta is a Romanian city with a population of 310,471 inhabitants. After Bucharest, the capital city, Constanta is one of the four biggest and roughly equal-size cities in Romania, along with Iasi, Cluj-Napoca and Timisoara. Constanta is one of Romania's main industrial, commercial and tourist centres. The city’s port is the largest port on the Black Sea and one of the largest ports in Europe.

Founded in 2007, the Constanta metropolitan area is composed 14 localities situated at a maximum distance of 30 km from the city. The metropolitan area has a permanent population of 387,593 inhabitants and a minimum average of 120,000 transient people per day, including tourists and seasonal workers, during the high tourist season.

The most important ethnic group – people of Romanian origin – makes up 90% of the city’s inhabitants. The largest minority groups comprise people of Turkish (3.3%), Tatar (3.1%) and Roma (2.7%) origins. Greek, Bulgarian and Jewish groups were also recorded in the past.