Suzhou (a prefecture-level city of Jiangsu, China, between Lake Tai and the Yangtze River); Suzhou Creek (a river in Shanghai municipality and Jiangsu, China, between Lake Tai and the Huangpu River; despite its name, it is 78 miles long)
Sydney (a major port city, the state capital of New South Wales, Australia, and the most populous city in Australia); Sydney (a seaport and former city in Nova Scotia, Canada, now part of the amalgamated Cape Breton Regional Municipality on Cape Breton Island)
Syracuse (a province of Sicily, Italy); Syracuse (a port, the capital city of the province of Syracuse, Sicily, Italy); Syracuse (the county seat of Onondaga County, New York, United States)