Odijk (52°3′N 5°14′E) is a town in the Dutch province of Utrecht. It is a part of the municipality of Bunnik, and lies about 4 km (2 mi) south of Zeist.In 2009, the town of Odijk had 4.411 inhabitants. The built-up area of the town was 0.94 km², so the density was very high, and contained 1809 residences. The neighbourhood of Cothen, which covers the entire area of the former municipality, has about 5040 inhabitants.Odijk used to be a separate municipality.