 Following the Liberation, members of all Bulgarian communities moved to the newly established Principality of Bulgaria, but a significant Bulgarian population remained in Romania.Although set to be ceded to Bulgarian as per the Treaty of San Stefano, the region of Northern Dobruja was awarded to Romania by the Congress of Berlin of 1878.The region had a compact Bulgarian population in the Babadag region, with Northern Dobruja Bulgarians numbering 35-45,000 in the late 19th century.