Lučenec is a small town in Slovakia, located in the Banská Bystrica Region. The town is situated on the Sárka River, in the foothills of the Low Tatras mountain range. The town is best known for its castle, which is one of the largest in Slovakia. The castle is open to the public and is a popular tourist attraction. The town also has a number of other historic buildings, including a synagogue and a museum. The town is home to a number of small businesses and restaurants, and is a popular destination for tourists visiting the Low Tatras mountain range.