|• Total||31.35 km2 (12.10 sq mi)|
|Time zone||EET (UTC+2)|
|• Summer (DST)||EEST (UTC+3)|
Lunca Mureșului (Hungarian: Székelykocsárd; German: Holten) is a commune located in the north-east of the Alba County, Romania. It is composed of two villages, Gura Arieșului (Vajdaszeg; Walddorf) and Lunca Mureșului.
Lunca Mureșului has an area of 31.35 km² and is located on the Mureş River, in the north-east corner of Alba County, approximately 10 km from the town of Ocna Mureş on the Romanian County Road 107F, 20 kilometres (12 mi) from the towns of Câmpia Turzii and Luduş, and 60 km from the county capital, Alba Iulia.