Chach may refer to Chach, a historic principality of Uzbekistan and the modern-day location of the capital city Tashkent Chhachh, a region in Punjab, Pakistan Chach of Alor, a historic ruler of Sindh See also Chach Nama, a book about the history of Sindh Battle of Chach, an 11th-century battle fought at the banks of the Indus Chech, a geographical regions encompassing parts of Bulgaria and Greece