Khokhanaberd
Khokhanaberd (Armenian: Խոխանաբերդ, Azerbaijani: Xoxanabert), also known as Khanabert (Azerbaijani: Xanabert qalası) and Tarkhanaberd (Armenian: Թարխանաբերդ), is a 9th-century mountaintop fortress near the village of Vank, in the disputed region of Nagorno-Karabakh, in the Kalbajar District of Azerbaijan. Historically a part of the Lower Khachen (Nerkin Khachen) province of the Armenian Principality of Khachen, it served as a castle and residence of several rulers of the House of Hasan-Jalalyan.