The Caozhou Peony Garden is located on North Renmin Road in the Mudan district of Heze city, Shandong province. It is the largest peony garden in Heze, with the most varieties. It is a national 4A tourist attraction - covering an area of 1.06 million square meters - which is home to 1,237 peony varieties and a total of 800,000 peony trees. It is a botanical garden boasting the biggest area and largest number of peony varieties in the world.