Constanta is the largest city and the main port of Romania, and the capital of Constanta County. It is located on the Black Sea coast, in Northern Dobruja, and has a population of about 300,000.
Dobrich is the eighth most populous city in Bulgaria, and the administrative centre of Dobrich Province. It is located in the northeastern part of the country, in Southern Dobruja, and has a population of about 90,000.
Sulina is a town and a port in Tulcea County, Romania. It is located at the mouth of the Sulina branch of the Danube, in the Danube Delta, which is part of Northern Dobruja. It has a population of about 4,000, and is the easternmost point of Romania.
Babadag is a town in Tulcea County, Romania. It is located on a small lake near the Black Sea, in Northern Dobruja. It has a population of about 10,000, and is known for its historical monuments, such as the Babadag Castle and the Saray Mosque.
Balchik is a town and a seaside resort in Dobrich Province, Bulgaria. It is located on the Black Sea coast, in Southern Dobruja. It has a population of about 13,000, and is famous for its botanical garden and palace complex, built by the Romanian queen Marie.