'''Mercer County''' is in the Delaware River Region of New Jersey.
Cities
Trenton, state capital and home of The College of New Jersey (TCNJ).
Princeton, the site of the famous ivy league university.
Titusville, site where Washington crossed the Delaware River.
Other destinations
Hightstown
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'''Mercer County Community College''', West Windsor
'''Princeton University''', Princeton
'''Rider University''' Lawrence Township
'''The College of New Jersey (TCNJ)''', Trenton/Ewing Township
'''Thomas Edison State College''', Trenton
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Burlington County
Hunterdon County
Middlesex County
Monmouth County
Ocean County
Somerset County