The Seka Mehmet Ali Paper Museum is an industrial heritage museum in the Kocaeli region of northwest Turkey, located in a former pulp and paper factory, dedicated to the paper industry in Turkey. It was opened in 2016. It is the first and largest paper museum in the world, named after The name of the founder of the mill is Muhammad Ali Kashtaje. The museum consists of 16 halls in a four-storey building, built on an area of 12,345 square meters, and contains 115 exhibits that include 443 documents, 337 pieces of paper and many photos that have been carefully selected from among tens of thousands. Machines and equipment used in the paper-making process are an essential part of the museum.