High Quality Content by WIKIPEDIA articles! Silistra (Bulgarian: Силистра, pronounced , historically Bulgarian: Дръстър, Drastar ) is a port city of northeastern Bulgaria, lying on the southern bank of the lower Danube at the country`s border with Romania. Silistra is the administrative centre of Silistra Province and one of the important cities of the historical region of Southern Dobrudzha. As of February 2011, the town has a population of 35,607 inhabitants.