St. Catharines (2001 population 129,170; metropolitan population 377,009) is the largest city in the Regional Municipality of Niagara in southern Ontario, Canada.
Manufacturing is the city's dominant industry. General Motors operates two plants in the city up until recently was the city's largest employer.
St. Catharines is also home to Brock University.
City of St. Catharine's Official Website http://www.city.stcatharines.on.ca/index.asp