St. John’s is the capital and largest city of the province of Newfoundland, Canada. It is one of the oldest communities in North America. St. John’s is located on the Avalon Peninsula of the island of Newfoundland. An important seaport, the city is built around a deepwater harbor that is connected to the Atlantic Ocean by a long channel called the Narrows. A 2006 real estate survey has estimated the population of St. John's, Newfoundland at 181,113.