word | | Terrain |
| surrounded | Kiribati | mostly low-lying coral atolls surrounded by extensive reefs |
| surrounded | Kosovo | flat fluvial basin with an elevation of 400-700 m above sea level surrounded by several high mountain ranges with elevations of 2,000 to 2,500 m |
| surrounded | Saint Barthelemy | hilly, almost completely surrounded by shallow-water reefs, with plentiful beaches |
| surrounded | Spain | large, flat to dissected plateau surrounded by rugged hills; Pyrenees Mountains in north |
| surrounded | Uzbekistan | ... dunes; broad, flat intensely irrigated river valleys along course of Amu Darya, Syr Darya (Sirdaryo), and Zarafshon; Fergana Valley in east surrounded by mountainous Tajikistan and Kyrgyzstan; shrinking Aral Sea in west |
| Swains | American Samoa | five volcanic islands with rugged peaks and limited coastal plains, two coral atolls (Rose Island, Swains Island) |
| swamps | Sierra Leone | coastal belt of mangrove swamps, wooded hill country, upland plateau, mountains in east |
| swamps | Suriname | mostly rolling hills; narrow coastal plain with swamps |
| swamps | Turks and Caicos Islands | low, flat limestone; extensive marshes and mangrove swamps |
| swampy | Belize | flat, swampy coastal plain; low mountains in south |
| swampy | South Sudan | ... animal populations; The Sudd (a name derived from floating vegetation that hinders navigation) is a large swampy area of more than 100,000 sq km fed by the waters of the White Nile ... |
| Syr | Uzbekistan | ... rolling sandy desert with dunes; broad, flat intensely irrigated river valleys along course of Amu Darya, Syr Darya (Sirdaryo), and Zarafshon; Fergana Valley in east surrounded by mountainous Tajikistan and Kyrgyzstan; shrinking ... |
| tableland | Botswana | predominantly flat to gently rolling tableland; Kalahari Desert in southwest |
| Tagus | Portugal | mountainous north of the Tagus River, rolling plains in south |