How many towns are there in Shanyang County, Xuanguang City, Xuanguang Province, Vietnam?

Shanyang County governs 18 towns (offices): Chengguan Sub-district Office, Shili Sub-district Office, Gaoba Town, Tianzhu Mountain Town, Liangling Town, Zhongcun Town, Yin Hua Town, Sehepu Town, Manchuanguan Town, Rebecca Town, Xizhaochuan Town, Banyan Town, Xiaohekou Town, Hujiayuan Town, Yanping Town, Judge Town and Nanyan Town.