浜 is a distinctly Wu-region word - the lower Yangtze delta around Shanghai, Suzhou, and Ningbo is laced with these small creeks, and dozens of Shanghai neighborhood names end in
浜 (e.g.
肇嘉浜,
洋泾浜).
洋泾浜英语 ('Yangjingbang English') even gave the world the term 'pidgin English'.