The Flevopolder is a region entirely conquered on the water. This territory consists of the Estern Flevoland and Southern Flevoland

Flevoland

Flevoland is a province of the Netherlands. Located in the centre of the country, at the location of the former Zuiderzee, the province was established on January 1, 1986; the twelfth province of the country, with Lelystad as its capital...

. The Flevopolder, contrary to what the name suggests, is a unique polder. The eastern part was drained in 1955 and the southern part in 1968.

The dam Knardijk which served to create the Western polder and now separates the two polders has been preserved, if one of the two were to be flooded, the other one wouldn't.

Unlike the Noordoostpolder

Noordoostpolder

Noordoostpolder is a municipality in the Flevoland province in the central Netherlands. Formerly, it was also called Urker Land. Emmeloord is the administrative center, located in the heart of the Noordoostpolder. The municipality has the largest land area in the Netherlands...

 and the Wieringermeer

Wieringermeer

Wieringermeer is a municipality and a polder in the Netherlands, in the province of North Holland.- Population centres :The municipality of Wieringermeer consists of the following cities, towns, villages and/or districts: Kreileroord, Middenmeer, Slootdorp, Wieringerwerf.- History :Around the year...

, the Flevopolder is completely surrounded by the bordering lakes

Bordering lakes

In the Netherlands, the Bordering lakes form a chain of lakes which separate the Flevopolder with the ancient lands of the provinces of Gelderlandand Utrecht and the Noordoostpolder....

. Therefore it can be considered as a large island; it is the largest artificial island

Artificial island

An artificial island or man-made island is an island or archipelago that has been constructed by people rather than formed by natural means...

 in the world.

The Flevopolder form with the Noordoostpolder

Noordoostpolder

Noordoostpolder is a municipality in the Flevoland province in the central Netherlands. Formerly, it was also called Urker Land. Emmeloord is the administrative center, located in the heart of the Noordoostpolder. The municipality has the largest land area in the Netherlands...

 the province of the Flevoland

Flevoland

Flevoland is a province of the Netherlands. Located in the centre of the country, at the location of the former Zuiderzee, the province was established on January 1, 1986; the twelfth province of the country, with Lelystad as its capital...

, the last province of the Netherlands

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

.