The Ahja (Estonian: Ahja jõgi) is a river in Estonia. The river is 103.4 kilometres (64.2 mi) long. The river begins at Lake Erastvere and empties into the River Emajõgi.
Ahja is a small borough (alevik) in Ahja Parish, Põlva County in southeastern Estonia. Named after the Ahja River, it is located 191 km southeast of Tallinn and about 16 km north of Põlva.
Ahjumawi Lava Springs State Park is a state park of California in the United States. It is located in remote northeastern Shasta County and is only accessible to the public by boat.
AHJ is an extended play by American singer-songwriter, Albert Hammond Jr.. The EP is produced by frequent Strokes collaborator, Gus Oberg, and was recorded in Hammond's Broome St., Manhattan studio, as well as One Way Studios in upstate New York.
Ahjdlikevirus (synonym AHJD-like viruses) is a genus of viruses in the order Caudovirales, in the family Podoviridae, in the subfamily Picovirinae.
Ahja Parish (Estonian: Ahja vald) is a rural municipality of Estonia, in Põlva County. It has a population of 963 (as of 1. January 2015) and an area of 72.10 km2 (28 sq mi).
AHJ may refer to:
Adriaan Hendrik Johan Prins, generally known as A. H. J. Prins (1921, Harderwijk, Gelderland – 11 February 2000) was a Dutch Africanist and maritime anthropologist.
Jarmo Ahjupera (born 13 April 1984) is an Estonian professional footballer. He plays the position of striker and is 1.96 m tall.
Ah Jook Ku (April 24, 1910 – August 6, 2007) was an American journalist, writer, media advocate and public relations practitioner.