Greasby is a large village on the Wirral Peninsula, Merseyside, England. It is part of the Greasby, Frankby & Irby Ward of the Metropolitan Borough of Wirral and is situated in the parliamentary constituency of Wirral West. At the 2001 Census, Greasby had 9,830 inhabitants, with the total population of the ward at 14,667. At the Census in 2011 the population of Greasby was not measured. However the ward had a total population of 13,991.