The Constance Hopper is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 in Lake Constance

Lake Constance

Lake Constance is a lake on the Rhine at the northern foot of the Alps, and consists of three bodies of water: the Obersee , the Untersee , and a connecting stretch of the Rhine, called the Seerhein.The lake is situated in Germany, Switzerland and Austria near the Alps...

, to the east of Constance

Constance

Constance is a female given name that derives from Latin and means "constant." Variations of the name include Connie, Constancia, Constanze, Constanza, Stanzy, and Konstanze.Constance may refer to:-People:*Constance Bennett , American actress...

 and north of Kreuzlingen

Kreuzlingen

Kreuzlingen is a municipality in the district of Kreuzlingen in the canton of Thurgau in north-eastern Switzerland. It is the seat of the district and is the second largest city of the canton, after Frauenfeld, with a population of over 18,000...

.
The leading outflow of the Upper Lake

Obersee (Lake Constance)

The Obersee the larger of the two parts of Lake Constance.It has an area of 473 km² in size and extends over 63 km between Bregenz and Bodman-Ludwigshafen. Its maximum width is 14 km. The Romans called it Lacus Venetus, Lacus Brigantinus and Lacus Constantinus...

 is the Seerhein

Seerhein

The Seerhein is a river of about four kilometer long, in the basin of Lake Constance. It is the outflow of the Upper Lake Constance and the main tributary of the Lower Lake Constance. The water level of the lower lake is about 30 cm below the level of the Upper Lake...

, which begins in the Constance hopper.

The Constance Hopper the only part of the Obersee

Obersee (Lake Constance)

The Obersee the larger of the two parts of Lake Constance.It has an area of 473 km² in size and extends over 63 km between Bregenz and Bodman-Ludwigshafen. Its maximum width is 14 km. The Romans called it Lacus Venetus, Lacus Brigantinus and Lacus Constantinus...

, where a territorial boundary has been defined by the neighbouring states, in this case, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

.

The Dominicans Island

Dominicans Island

The Dominicans Island or Constance Island is and island in Lake Constance immediately east of the city of Constance. With an area of 1.8 hectares, it is one of the smaller islands in the lake. The island is separated from the city center by a six meter wide channel, and connected to it by a bridge...

 is located in the Constance Hopper. It is part of the city of Constance

Constance

Constance is a female given name that derives from Latin and means "constant." Variations of the name include Connie, Constancia, Constanze, Constanza, Stanzy, and Konstanze.Constance may refer to:-People:*Constance Bennett , American actress...

.