Avdiivka is a city in Donetsk Oblast, Ukraine. The city is located in the centre of the oblast, just north of the regional centre, Donetsk. The large Avdiivka Coke Plant is located in Avdiivka. The city had a population of 31,392 before the Russian invasion of Ukraine, but it was reported as 1,600 in October 2023, and then "just over 1,000", mostly living below ground level.

Avdiivka Coke and Chemical Plant in Donetsk Oblast, Ukraine, was the largest coke producer in Ukraine and is owned by the company Metinvest, which is in turn owned by Rinat Akhmetov, a Ukrainian oligarch. AKHZ also produced a variety of chemicals including benzine, coal tar, coal oil ammonium sulphate and coke gas. The plant consisted of 13 main and 30 auxiliary workshops as well as service structural divisions.