The Norman Palace is considered one of the greatest palaces in the world, the royal palace in Palermo was the seat of the kings of Sicily in the ninth century. The palace is characterized by its unique architecture in the Byzantine style in terms of inscriptions, decorations and mosaics that adorn the walls of the palace. The palace stands at the highest point in the old center of the city, surrounded by many botanical gardens planted with diverse plants, colorful flowers and tall trees; Designed by the best gardeners in the Middle East. The palace includes a church and a chapel dating back to the twelfth century AD.