Hong Kong (model), China

"Since Hong Kong does not designate itself or any part of itself as a city, there is no mayor or city council; therefore, the City Hall does not hold the offices of a city government, unlike most city halls around the world. Instead, it is a complex providing municipal services, including performing venues and libraries." --  Wikipedia

Mumbai (Bombay), India

1820-1835; Colonel Thomas Cowper, architect

Naypyidaw, Myanmar (Burma)

Singapore

1926 to 1929; A. Gordans and F. D. Meadows, architects

"In 2015, The City Hall, together with the adjacent Old Supreme Court Building, has been converted into the National Gallery Singapore." -- Wikipedia

Tokyo, Japan

1990; Kenzo Tange, architect