Amaru is a commune in Buzău County, Muntenia, Romania.

It is composed of six villages: Amaru, Câmpeni, Dulbanu, Lacu Sinaia, Lunca, and Scorțeanca.

The commune is situated in the Wallachian Plain, at an altitude of 77 m (253 ft).

Amaru is crossed by county road DJ102H, which connects it to Mizil, 15 km (9.3 mi) to the northwest, and to Căldărușanca, 10 km (6.2 mi) to the southeast, where it meets national road DN2.

This Buzău County location article is a stub.