The document provides information about a trip to the Danube Delta region in Romania. It describes the Danube Delta as the second largest river delta in Europe, located mostly in Romania. It then gives details about four towns in the Danube Delta region: Sfântu Gheorghe, a village of around 1,000 people located at the southern branch of the Danube near the Black Sea; Sulina, a free port town situated on the Sulina branch and Romania's easternmost point; and Chilia, a commune on the Danube Delta that gave its name to the Chilia branch and is composed of four villages.