Krimpenerwaard is a municipality of the Netherlands. It is a rural area located in the east of the province of South Holland, just south of Gouda and east of the Rotterdam conurbation. It is bordered on the north by the river Hollandse IJssel, on the south by the river Lek and on the east by the stream Vlist. The municipality was formed by a merger of the municipalities of Nederlek, Ouderkerk, Vlist, Bergambacht and Schoonhoven on 1 January 2015.