Kolkhozashen (Armenian: Կոլխոզաշեն) or Arpaduzu (Azerbaijani: Arpadüzü) is a village located in the Khojavend District of Azerbaijan, in the region of Nagorno-Karabakh. Until 2023 it was controlled by the breakaway Republic of Artsakh. The village had an ethnic Armenian-majority population until the exodus of the Armenian population of Nagorno-Karabakh following the 2023 Azerbaijani offensive in Nagorno-Karabakh.

During the Soviet period, the village was a part of the Martuni District of the Nagorno-Karabakh Autonomous Oblast.

Historical heritage sites in and around the village include khachkars from between the 15th and 17th centuries, a 17th/18th-century village, an 18th/19th-century cemetery, and the 19th-century church of Surb Astvatsatsin (Armenian: Սուրբ Աստվածածին, lit. 'Holy Mother of God').

The population is mainly engaged in agriculture and animal husbandry. As of 2015, the village has a municipal building, a house of culture, a secondary school, and a medical centre.

The village has an ethnic Armenian-majority population, had 309 inhabitants in 2005, and 241 inhabitants in 2015.

• Kolkhozashen at GEOnet Names Server
• A short documentary about the village on YouTube