Khao Yai is a picturesque district located in the Nakhon Nayok Province of Central Thailand. Known for its stunning natural beauty, the area is home to the Khao Yai National Park, which is a UNESCO World Heritage Site. The park is famous for its lush forests, diverse wildlife, and beautiful waterfalls, making it a popular destination for nature lovers and outdoor enthusiasts. In addition to its natural attractions, Khao Yai also offers a range of activities for visitors to enjoy, including hiking, bird watching, and wildlife spotting. The district is also home to several vineyards and wineries, where visitors can sample local wines and enjoy the scenic views of the surrounding countryside.