The Mátra is a mountain range in northern Hungary, between the towns Gyöngyös and Eger. The country's highest peak, Kékestető, belongs to this mountain range.
The Mátra is part of the North Hungarian Mountains and belongs by origin to the largest young volcanic zone of Europe. It is situated between the valleys of the River Tarna and River Zagyva. The Mátra divided into the Western Mátra, Central Mátra and the Eastern Mátra. The highest point of the Western Mátra is Muzsla.
Wikipedia https://en.wikipedia.org/wiki/Mátra
Coordinates 47°53'34.981" N 19°55'43.701" E