Croatia, officially the Republic of Croatia, is a country in Southeast Europe. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herzegovina, Montenegro to southeast, sharing a maritime border with Italy.

Isla Culebra is an island-municipality of Puerto Rico and geographically part of the Spanish Virgin Islands.

Cuxhaven is a district which is located in Lower Saxony, Germany. It is bounded by the following districts of Stade, Rotenburg, Osterholz and Wesermarsch, the city of Bremerhaven and the North Sea.

Cyprus, officially called the Republic of Cyprus, is an island country in the Eastern Mediterranean.

Dingle is a small port town on southwest Ireland’s Dingle Peninsula, known for its rugged scenery, trails and sandy beaches. A statue of long-time harbour resident Fungie the dolphin is by the waterfront.

The Dodecanese, in the southeastern Aegean Sea, is a group of Greek islands known for their medieval castles, Byzantine churches, beaches and ancient archaeological sites.

The Dominican Republic is a Caribbean nation that shares the island of Hispaniola with Haiti to the west. It's known for its beaches, resorts and golfing. Its terrain comprises rainforest, savannah, and highlands, including Pico Duarte.

Dublin Bay is a C-shaped inlet of the Irish Sea on the east coast of Ireland. The bay is about 10 kilometres wide along its north–south base, and 7 km in length to its apex at the centre of the city of Dublin.

Great Barrier Island lies in the outer Hauraki Gulf, New Zealand, 100 kilometres north-east of central Auckland. With an area of 285 square kilometres it is the sixth-largest island of New Zealand and fourth-largest in the main chain.

Guanacaste, a province in northwestern Costa Rica bordering the Pacific, is known for its beaches and biodiverse parkland. Its Santa Rosa National Park is home to rare dry tropical forest, surfing sites, and some 250 bird species.