Tenby sits on the Pembrokeshire coast of southwest Wales, where medieval walls still encircle a compact town above the sea. Its history as a fortified port is visible in stone ramparts, narrow lanes, and the ruins of Tenby Castle, which overlook the harbor.

Georgia's second largest city, it is located between the Caspian and Black seas. Dating back to at least the sixth century, it has outstanding museums.

The city of Oporto is situated on the right bank of the River Douro, being the second largest city of the country. Oporto is the regional capital of the northern area.

Antigua and Barbuda are located in the middle of the Leeward Islands in the Eastern Caribbean. Antigua, the largest of the British Leeward Islands, is about 14 miles long and 11 miles wide, encompassing 108 square miles. Barbuda, a flat coral island with an area of only 68 square miles, lies approximately 30 miles to the north. The population is approximately 68,000 and its capital is St. John's on Antigua.

Calais is a port city on France's northern coast, facing the Strait of Dover at the narrowest point of the English Channel. Its location has made it an important link between France and Britain, with ferries and the Channel Tunnel connecting the region to England. The city centre includes broad boulevards, public squares, and historic buildings, while the waterfront extends toward sandy beaches and dunes.