The Buzău is a river in eastern Romania, tributary of the river Siret. Its total length is 302 km, and its drainage basin area is 5,264 km2. Its source is in the south-eastern Carpathian Mountains, east of Brașov. The Buzău flows through the Romanian counties Brașov, Covasna, Buzău and Brăila. It flows into the Siret in Voinești, close to its confluence with the Danube, west of Galați.
Întorsura Buzăului is a town in Covasna County, Transylvania, Romania. It administers three villages: Brădet (Bredét), Floroaia (Virágospatak) and Scrădoasa.
The Bâsca, also called Bâsca Mare in its upper course, and Bâsca Roziliei in its lower course, is a left tributary of the river Buzău, in Romania. It discharges into the Buzău near Nehoiu.
The Bâsca Mică is a left tributary of the river Bâsca in Romania. It discharges into the Bâsca in Varlaam. Its length is 46.5 km (28.9 mi) and its basin size is 238 km2 (92 sq mi).
The Slănic is a left tributary of the river Buzău in Romania. It discharges into the Buzău in Săpoca. Its length is 73 km (45 mi) and its basin size is 580 km2 (220 sq mi). The following villages are situated along the river Slănic, from source to mouth: Terca, Luncile, Lopătari, Săreni, Mânzălești, Beșlii, Sârbești, Vintilă Vodă, Bodinești, Niculești, Podu Muncii, Petrăchești, Dogari, Arbănași, Gura Dimienii, Mărgăriți, Beceni, Valea Părului, Cărpiniștea, Izvoru Dulce, Fulga, Aldeni, Manasia, Căldărușa, Zărneștii de Slănic, Vlădeni, Cernătești and Săpoca.
The Valea Boului is a left tributary of the river Buzău in Romania. It discharges into the Buzău in Vișani. Its length is 53 km (33 mi) and its basin size is 420 km2 (160 sq mi). It flows through Lake Jirlău.
The Bâsca Chiojdului is a right tributary of the river Buzău in Romania. It discharges into the Buzău in Cislău. The following villages are situated along the river Bâsca Chiojdului, from source to mouth: Bâsca Chiojdului, Chiojdu, Lera, Cătina, Calvini. Its length is 42 km (26 mi) and its basin size is 340 km2 (130 sq mi).
Vama Buzăului is a commune in Brașov County, Transylvania, Romania. It is composed of four villages: Acriș (Egrestelep), Buzăiel (Kisbodza), Dălghiu (Döblön) and Vama Buzăului.
The Bălăneasa is a left tributary of the river Buzău in Romania. It discharges into the Buzău near Pârscov. The following villages are situated along the river Bălăneasa, from source to mouth: Brătilești, Brăești, Valea Fântânei, Bozioru, Bălănești, Cozieni, Trestia, Lunca Frumoasă and Pârscov. Its length is 31 km (19 mi) and its basin size is 190 km2 (73 sq mi).
The Nișcov is a right tributary of the river Buzău in Romania. It discharges into the Buzău in Vernești. Its length is 40 km (25 mi) and its basin size is 222 km2 (86 sq mi).
The Câlnău is a left tributary of the river Buzău in Romania. It discharges into the Buzău in Gura Câlnăului, near the city Buzău. Its length is 57 km (35 mi) and its basin size is 208 km2 (80 sq mi). The upper reach of the river is also known as Salcia. The following villages are situated along the river Câlnău, from source to mouth: Valea Salciei, Modreni, Costomiru, Batogu, Murgești, Racovițeni, Petrișoru, Vadu Sorești, Fundeni, Zărnești, Sudiți, Coconari, Aliceni, Zilișteanca, Poșta Câlnău, Potârnichești and Gura Câlnăului.
The Crasna is a right tributary of the river Buzău in Romania. It discharges into the Buzău in the village Crasna. Its length is 9 km (5.6 mi) and its basin size is 25 km2 (9.7 sq mi).
The Cășoaca Mare is a left tributary of the river Buzău in Romania. It discharges into the Buzău in the village Cașoca. Its length is 16 km (9.9 mi) and its basin size is 57 km2 (22 sq mi).
The Bâsculița is a left tributary of the river Bâsca in Romania. Its source is in the Buzău Mountains, at the foot of the peak Ciulianoș. Its length is 11.5 km (7.1 mi) and its basin size is 40 km2 (15 sq mi).
The Dălghiu is a left tributary of the river Buzău in Romania. It discharges into the Buzău upstream from Vama Buzăului. Its length is 17 km (11 mi) and its basin size is 51 km2 (20 sq mi).
The Buzăiel is a right tributary of the river Buzău in Romania that discharges into the Buzău near Vama Buzăului. It is 16 km (9.9 mi) long and its basin is 54 km2 (21 sq mi).
The Sărățel is a left tributary of the river Buzău in Romania. It discharges into the Buzău in Berca. Its length is 32 km (20 mi) and its basin size is 187 km2 (72 sq mi).
The Siriul Mare is a right tributary of the river Buzău in Romania. It discharges into the Siriu Reservoir, which is drained by the Buzău, near Gura Siriului. Its length is 15 km (9.3 mi) and its basin size is 85 km2 (33 sq mi).
The Bold is a left tributary of the river Buzău in Romania. It discharges into the Buzău in Racovița. Its length is 34 km (21 mi) and its basin size is 210 km2 (81 sq mi). It flows through Lake Balta Albă.
The Lădăuți is a left tributary of the river Buzău in Romania. It discharges into the Buzău near Sita Buzăului. Its length is 11 km (6.8 mi) and its basin size is 98 km2 (38 sq mi).
