HARLINGEN, a seaport in the province of Friesland, Hol land, on the Zuider Zee, and the terminus of the railway and canal from Leeuwarden (151 m. E.). Pop. (1926) 10,071. Harlingen has become the most considerable seaport of Friesland since the construction of the outer harbour in 1870-77, and in addition to railway and steamship connection with Bremen, Amsterdam, and the southern provinces there are sailings to Hull and London. Sluices protect the inner harbour from the high tides. The only noteworthy buildings are the town hall (173o-33) and the West church, which consists of a part of the former castle of Har lingen. The chief trade of Harlingen is the exportation of Frisian produce, namely, butter and cheese, meat, flax, fish, potatoes, etc. There is also a considerable import trade in timber, coal, manu factured cotton, hemp and jute for the Twente factories.