Pirin Macedonia (region)
It covers an area of about 6,798 km2 which is 10.18% of the geographical region Macedonia. One of the regional centers is Blagoevgrad, also known as Gorna Dzumaya, the old name of the city. The region is bordering with Kyustendil Province and Sofia Province on the north, Pazardzhik Province and Smolyan Province on the east, Greece on the south and Republic of Macedonia on the west. The population is estimated around 325.000 people.
Geography of the Republic of Macedonia
The river Black Drim) forms the Adriatic basin, which covers an area of about 3,320 km², i. e. 13% of the territory. It issues from Lakes Prespa and Ohrid.