A terrace or terraced house (UK) or townhouse (US)[a] is an architectural term for a form of medium-density housing that first started in 16th century Europe with a row of joined houses sharing side walls. In the United States and Canada these are known as row houses or row homes, commonly found in older cities such as Philadelphia, Baltimore, and Toronto.
Terrace housing can be found worldwide, though it is quite common in Europe and Latin America, and many examples can be found in the United Kingdom, United States, Canada, and Australia. The Place des Vosges in Paris (1605–1612) is one of the early examples of the style. Sometimes associated with the working class, terrace housing have increasingly become associated with gentrification in certain inner-city areas, drawing the attention of city planning.
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