Commune-level town (Vietnamese: Thị trấn; Chữ Nôm: 市鎮), commonly known as township or townlet, a type of third tier subdivision of Vietnam is divided into 11,162 units along with ward and commune have equal status. By virtue of Decree No. 42/2009/ND-CP, township are officially classified into Class-2, Class-3, Class-4 or Class-5. The townships can only subordinate to district as the Third Tier unit.