An administrative division of the People's Republic of China enjoying a high degree of autonomy under the "one country, two systems" policy (i.e. 香港xiānggǎng and 澳门àomén)
Special Administrative Region (ROC)
A historical administrative division of the Republic of China, such as the Hainan Special Administrative Region (1949–1972)
special administrative zone
General term for various administrative areas during the late Qing, foreign occupation, or warlord periods, or for special zones in countries like North Korea and Indonesia