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. Calais also forms part of the wider Côte d'Opale, a coastal landscape known for cliffs, beaches, wetlands, and views across the channel toward the English coast.

Calais has a long history shaped by its strategic position and maritime role. The Tour du Guet, a medieval watchtower near the harbour, is one of the city's oldest surviving landmarks, while the Hôtel de Ville is known for its distinctive Flemish-style architecture and tall belfry. The city is also closely associated with Auguste Rodin's sculpture The Burghers of Calais, which commemorates an episode from the medieval siege of the town. Lace-making became another important part of Calais's identity, and the Cité de la Dentelle et de la Mode explores the history and technology of the city's lace industry.

The coast around Calais combines sandy beaches, dunes, marshes, and open views across the Strait of Dover. Calais Beach provides a broad waterfront promenade, while the nearby Cap Blanc-Nez and Cap Gris-Nez form two prominent headlands within the Parc Naturel Régional des Caps et Marais d'Opale. The cliffs at Cap Blanc-Nez rise above the sea and, on clear days, provide views toward the English coast. Within the city, the Parc Saint-Pierre offers green space close to the centre, while the Calais Lighthouse provides another landmark associated with the city's maritime history.

Calais's food reflects both its coastal setting and the culinary traditions of northern France. Seafood is widely available, with mussels, fish, and other products from the Channel appearing in local restaurants and markets. The city is also associated with northern specialities such as welsh, a dish based on melted cheese served over bread and traditionally accompanied by beer, as well as waffles and regional pastries. Calais lace remains an unusual part of the city's identity: the local industry developed sophisticated mechanical techniques that allow intricate patterns to be produced, and the Cité de la Dentelle preserves this specialised craft tradition.