Old castle above Celje is the most important historical place of the town Celje. It is situated on Grajski hrib (407 m), only 2 km away from the town. There is a great panorama to the town and to the countryside. The castle use to be the biggest fortress in Slovenia. It was abadoned since 1400. Inhabitants of the casle moved to the town in Knezji dvorec (Lower castle). Casle is partialy in ruins today but rebuilding work is in a remarkable progress.