Borkum-Riffgrund Info, Lower Saxony

Heligoland U.S. English usually Helgoland, German: Helgoland, is a small German archipelago in the North Sea.Formerly Danish and British possessions, the islands (population 1,650) are located in the Heligoland Bight (part of the German Bight) in the southeastern corner of the North Sea.

Juist is one of the seven inhabited East Frisian Islands at the edge of the Lower Saxon Wadden Sea in the southern North Sea, located between Borkum Island (west), Memmert Island (southwest) and Norderney (east). It is also a municipality in the district of Aurich in Lower Saxony in Germany.

Wangerooge is one of the 32 Frisian Islands in the North Sea that are located close to the coasts of the Netherlands, Germany and Denmark. It is also a municipality in the district of Friesland in Lower Saxony in Germany.

Esens is a municipality in the district of Wittmund, in Lower Saxony, Germany. It is situated near the North Sea coast, approx. 14 km northwest of Wittmund, and 20 km northeast of Aurich. Esens is also the seat of the Samtgemeinde ("collective municipality") Esens.  

Borkum is an island and a municipality in the Leer District in Lower Saxony, northwestern Germany.

Baltrum is an island near the coast of East Frisia (Ostfriesland), Germany and a municipality in the district of Aurich, Lower Saxony.

Spiekeroog is one of the East Frisian Islands, off the North Sea coast of Germany. It is situated between Langeoog to its west, and Wangerooge to its east. The island belongs to the municipality of the district of Wittmund, in Lower Saxony in Germany. The only village on the island is also called Spiekeroog.

Leer is a town in the district of Leer, the northwestern part of Lower Saxony, Germany. It is situated at the river Ems, on the border with the Netherlands.

Norderney is one of the seven populated East Frisian Islands off the North Sea coast of Germany. It is also a municipality in the district of Aurich in Lower Saxony.

Terschelling is a municipality and an island in the northern Netherlands, one of the West Frisian Islands.

Ameland is a municipality and one of the West Frisian Islands off the north coast of the Netherlands consisting mostly of sand dunes.

Langeoog is one of the seven inhabited East Frisian Islands at the edge of the Lower Saxon Wadden Sea in the southern North Sea. It is also a municipality in the district of Wittmund in Lower Saxony, Germany. The name Langeoog means Long Island in the Low German dialect.

Neuharlingersiel is a municipality in the district of Wittmund, in Lower Saxony, Germany.

Roden is a town in the Dutch province of Drenthe. It is located in the municipality of Noordenveld, about 16 (10 miles) km southeast of Groningen. Roden has 15.000 citizens.

Greetsiel is a small port on the river Leybucht in western East Frisia, Germany. Greetsiel was first mentioned in letters from the year 1388. Since 1972, Greetsiel forms part of the municipality of Krummhoern, with its administrative seat in Pewsum. The nearest railway station is at Emden, about 15-20 kilometers away, and the two towns are linked by a bus service.