Where is the palace in the house?

Right in the middle of the house. The palace in the house, also called "Central Palace", refers to the very center of the house. In geomantic omen, the house is divided into nine grids, and the middle grid is the middle palace. The middle palace is considered as the core of the house, symbolizing balance and stability. Solemnly declare: the answer is for reference only, please don't be blindly superstitious.