Sepko Palace is one of the ancient monumental buildings that have important architecture in the city. It is a luxurious palace dating back to the fifteenth century. It was designed in the Gothic architectural style, characterized by its wide main facade surrounded by glass windows engraved with intricate decorative shapes. The palace also has an attractive interior design that represents the charm and grandeur of ancient architecture in terms of the interior walls decorated with paintings, drawings and colorful decorations. It is worth noting that the palace is located in the main square of the city opposite Trogir Cathedral.