pittsburgh
n. uncountablen. a major city in the United States located in the state of Pennsylvania. It is famous for its history of making steel and its many bridges.
n. a major industrial and commercial city in the northeastern United States, situated at the confluence of the Allegheny and Monongahela rivers. Historically significant as a global hub for steel production.
Pittsburgh is known for its many steel bridges.
After the decline of the steel industry, Pittsburgh successfully transitioned into a center for technology and healthcare.
The skyline of Pittsburgh is defined by the dramatic meeting of three rivers, a geographic feature that necessitated the construction of hundreds of bridges throughout the metropolitan area.
From Pitt + -s- + -burgh (“fortified place”), named after William Pitt the Elder.
As a proper noun, it is almost always used without an article.
I am visiting the PittsburghI am visiting PittsburghNames of cities do not take the definite article 'the'.