Gyöngyös (pronounced "Dyurn- dyursh") is a city in Heves county in Hungary, 80 km (50 mi) east of Budapest. Situated at the foot of the Sár-hegy and Mátra mountains, it is the home of numerous food production plants, including milk production and sausage factories. It is also the home of many vineyards, which use the slopes of the Sárhegy to cultivate vines.