Isahakyan (Armenian: Իսահակյան, also Romanized as Isaakyan and Isahakian; prior to the 1820s, Kharum; until 1945, Ghazarabad, Khazarapat and Kazarapat) is a town in the Shirak Province of Armenia. The town was named for Ghazar Aga who organized the defense of the town against the Persians in 1826-1828; later named avter poet Avetik Isahakyan, who lived there.