Mureck (Slovene: Cmurek, archaic: Cmürek[3]) is a municipality in the district of Südoststeiermark in the Austrian state of Styria.

Administrative reforms in Styria led to the merging on 1 January 2015 of the formerly separate municipalities of Mureck, Gosdorf, and Eichfeld, which includes the villages of Hainsdorf-Brunnsee and Oberrakitsch.

The municipality comprises the communities of: The name Mureck was first attested in 1151 as Mŏrekke (and as Murekke in 1181, Můrekke in 1183, and Muregk in 1500).

The Slovene name Cmurek is borrowed from the Middle High German prepositional phrase ze Murekke, literally 'at Mureck'.

[4] For similar Slovene geographical names based on foreign-language prepositional phrases of location, compare Crngrob, Cven, Dragonja, Sostro, and Spuhlja.