Where is Porter Square?

Porter Square - Alewife Station Porter Square - Back Bay Porter Square - Arlington Porter Square - Andover Porter Square - Beverly Porter Square - Beacon Hill Porter Square - Boston Porter Square - Boston Common Porter Square - Braintree Porter Square - Brandeis University Porter Square - Chinatown Porter Square - Concord Porter Square - Copley Square Porter Square - Davis Square Porter Square - Faneuil Hall Porter Square - Fenway Park Porter Square - Fitchburg Porter Square - Framingham Porter Square - Gloucester Porter Square - Harvard Square Porter Square - Harvard Stadium Porter Square - Harvard University Porter Square - Kendall Square Porter Square - Jamaica Plain Porter Square - Isabella Stewart Gardner Museum Porter Square - Kendall/MIT Station Porter Square - Lexington Porter Square - Logan Airport Ferry Terminal Porter Square - Medford Porter Square - New York Porter Square - Newbury Street Porter Square - North Station Porter Square - North End Porter Square - North Station Porter Square - Northeastern University Porter Square - Portland Porter Square - Revere Beach Porter Square - Salem Porter Square - South Station Porter Square - Sullivan Square Porter Square - Tufts University Porter Square - TD Garden Porter Square - Union Square Porter Square - Walden Pond Porter Square - Waltham Porter Square - West Concord Porter Square - Woburn