Hanoi Streets Hang Phen Street Posted on May 7, 2014March 19, 2015 by admin 07 May Hang Phen street, Hang Bo ward, Hoan Kiem district, Hanoi, Vietnam. It’s 100m long, from Thuoc Bac to Hang Ga street, crossing Bat Su street. In the past, many kinds of alum were sold on this street. Hang Phen Street, Hoan Kiem District, Hanoi admin Hang Muoi Street Hang Ruoi Street