1. Institutions In general: One particular building: He’s in hospital.
The children are at school.
She was in prison for theft.
The same goes for church and university.
They’re building a new hospital.
The school on the corner of 53rd and 3rd has closed down.
The prison on Alcatraz island is now a museum.

2. Countries, continents, regions, states, provinces, cities, individual islands
--- Brazil, --- China, --- France
--- Europe, --- North America, --- southeast Asia
--- New South Wales, --- Cornwall, --- California
--- London, --- Rio, --- Washington, D.C.
--- Elba, --- Saint Helena
The United States of America, the United Kingdom, the People’s Republic of China, the Czech Republic, the United Arab Emirates, the Isle of Man, the Isle of Wight.

3. Mountains, lakes --- Lake Victoria, --- Lake Geneva
--- Mount Everest, --- Mount Kilimanjaro

4. Mountain ranges, rivers, seas, canals, deserts, island groups
The Rocky Mountains, the Andes, the Alps
The River Danube, the Mississippi, the Nile
The Black Sea, the Red Sea
The Suez Canal, The Panama Canal
The Sahara, the Atacama Desert
The Falklands, the Orkney Islands

5. Roads, streets, parks, stores
--- Abbey Road, --- King’s Road
--- High Street, --- Oxford Street
--- Central Park
--- Tiffany’s, --- Harrod’s
The M6, the A25

6. Theatres, cinemas, hotels, galleries, museums
The National Gallery
The British Museum, the Museum of Modern Art
The Ritz, The Roxy Theatre, the Whisky a Go Go