Ninomaru Palace is a part of the Nijo Castle complex located in Kyoto, Japan. Built in the early 17th century, it served as the residence of the shogun during his visits to the city. The palace is known for its beautiful architecture, intricate woodwork, and stunning gardens. The palace features several rooms, including the famous Nightingale Floors, which chirp when walked upon to alert against intruders. Visitors can explore the elegant interiors adorned with traditional Japanese art and sliding doors, providing a glimpse into the lifestyle of the Edo period elite.