Siriu is a commune in BuzÃÂu County, Muntenia, Romania, in the valley of the river BuzÃÂu. It is composed of five villages: CaÃÂoca, ColÃÂu Pietrii, Gura Siriului, Lunca JariÃÂtei (the commune centre), and MuÃÂceluÃÂa.
Siriu is located in the north-western part of the county, in the BuzÃÂu Mountains, at the Carpathians' curvature, on both sides of the river BuzÃÂu. The maximum altitude of the Siriu commune exceeds . The commune is crossed by national road DN10, which starts in the county capital, BuzÃÂu, goes over the BuzÃÂu Pass, and ends in BraÃÂov.
The Siriu Dam, constructed between 1982 and 1994 and its artificial lake are located in the commune. Lacul Vulturilor is a periglacial lake also located in Siriu.
In 1972, 10 chamois were brought to Siriu and released in the wilderness of the mountain ranges. As of 2007, their number has risen to around 60. One of the largest firs in Romania, measuring 62 meters in height and 2.5 meters in diameter, grows in a forest in Siriu. A protected plant, Drosera rotundifolia, can also be found in the Siriu forests.
The oldest attestation of Siriu dates back to the mid-sixteenth century. A document issued by the voivod of Wallachia granted ownership of some land in Siriu to Petru and Lupu.
Many of the locals work at the Nehoiaà Âu hydroelectric power plant. Another branch of industry active in Siriu is wood processing. Other locals grow animals (mostly sheep or bovine), and fruit trees.