Nógrád County.

Nógrád County is situated in the northern part of Hungary, bordering Slovakia. It is known for its diverse landscape, including the Cserhát and Börzsöny Mountains, which offer beautiful scenery, hiking trails, and nature reserves. The county is also crossed by the river Ipoly (Ipel), which forms part of the border between Hungary and Slovakia.

The administrative center of Nógrád County is the town of Salgótarján. Salgótarján is the largest town in the county and serves as its economic, cultural, and transportation hub.

Nógrád County has a rich historical heritage. The region was inhabited by various tribes and cultures throughout history, including Celts, Romans, and various Slavic and Hungarian tribes. It has seen the rise and fall of medieval kingdoms and played a role in shaping the history of Hungary.

The historic town of Hollókő, a UNESCO World Heritage Site, is known for its well-preserved traditional houses and medieval castle ruins. The Börzsöny Mountains provide opportunities for outdoor activities such as hiking, mountain biking, and winter sports. The county is also home to numerous castles, churches, and museums that showcase the region's history and culture.