Diss is an English market town and electoral ward in the East Anglian county of Norfolk, near the border with Suffolk. It had a population of 7,572 in 2011. Diss train station is on the Great Eastern Main Line from London to Norwich. The community hinges on the valley of the River Waveney, round a plain covering 6 acres (2.4 ha) as well as as much as 18 feet (5.5 m) deep, although there is an additional 51 feet (16 m) of mud. The town takes its name from dic an Anglo-Saxon acceptation either ditch or embankment. Diss has a number of historic structures, including a very early 14th-century parish church as well as an 1850s corn exchange still in operation. Four miles east of Diss is the 100th Bomb Group Memorial Museum at the previous RAF Thorpe Abbotts landing strip. In March 2006, Diss came to be the third community in the UK to join Cittaslow, an international organisation promoting the concept of "Slow Towns". Nonetheless, it has actually considering that left this initiative.