Blaker is a hamlet in the Dutch province of South Holland. It is located in the municipality of Westland (formerly De Lier), about 2 km northeast of the village of De Lier.The hamlet consists of a single road, stretching between the Leê canal and the Noord Lierweg road.The area in which the hamlet is located, the "Oude Lierpolder", used to be called "Blaker" as well.