Pruszcz Gdański is a town in Pomerania, northern Poland with 26,834 inhabitants (2010). Pruszcz Gdański is an industrial town neighbouring Gdańsk, part of the Tricity agglomeration. The Tricity Bypass begins in Pruszcz Gdański.

Tricity, or Tri-City, is an urban area in Pomeranian Voivodeship, Poland, consisting of three contiguous coastal cities in Pomerelia forming a row on the coastline of the Gdańsk Bay, Baltic Sea, namely the cities of Gdańsk, Gdynia, and Sopot, along with other cities and towns in their vicinity. In 2021, the three core cities were inhabited by 749,786 people, while the Tricity together with its metropolitan area had a combined population of between 1 and 1.5 million, depending on the definition of the boundaries of the latter.