​BERLIN, a city and port of entry, Ontario, Canada, and capital of Waterloo county, 58 m. W. of Toronto, on the Grand Trunk railway. It is the centre of a prosperous farming and manufacturing district, inhabited chiefly by German immigrants and their descendants. An electric railway connects it with the town of Waterloo (pop. 4100) 2 m. to the north, which has important flour and woollen mills and distilleries. Berlin is a flourishing manufacturing town, and contains a beet sugar refinery, automobile, leather, furniture, shirt and collar, felt, glove, button and rubber factories. Pop. (1881) 4054; (1901) 9747.