Hostel Sonce (Sun) opens in the oldest town in Slovenia. Ptuj is a picturesque historic town and a great place to experience the beauty of Slovenia.Hostel Sonce (Sun) opens in the oldest town in Slovenia. Ptuj is a picturesque historic town and a great place to experience the beauty of Slovenia.Hostel Sonce (Sun) opens in the oldest town in Slovenia. Ptuj is a picturesque historic town and a great place to experience the beauty of Slovenia.Hostel Sonce (Sun) opens in the oldest town in Slovenia. Ptuj is a picturesque historic town and a great place to experience the beauty of Slovenia.Hostel Sonce (Sun) opens in the oldest town in Slovenia. Ptuj is a picturesque historic town and a great place to experience the beauty of Slovenia.