Dokuchayevsk, also known as Dokuchaievsk, is a city located in the Donetsk Oblast of eastern Ukraine. It serves as the administrative center of the Dokuchaievsk urban hromada and is situated on the river Sukha Volnovakha.
The city is positioned approximately 40 kilometres (25 mi) south of Donetsk and 14 kilometres (8.7 mi) from the Olenivka railway station. It has a population of approximately 22,835 residents.