word | | Terrain |
| Caspian | Azerbaijan | ... Lowland) (much of it below sea level) with Great Caucasus Mountains to the north, Qarabag Yaylasi (Karabakh Upland) in west; Baku lies on Abseron Yasaqligi (Apsheron Peninsula) that juts into Caspian Sea |
| Caspian | Turkmenistan | flat-to-rolling sandy desert with dunes rising to mountains in the south; low mountains along border with Iran; borders Caspian Sea in west |
| catchment | Singapore | lowland; gently undulating central plateau contains water catchment area and nature preserve |
| Caucasus | Azerbaijan | ... large, flat Kur-Araz Ovaligi (Kura-Araks Lowland) (much of it below sea level) with Great Caucasus Mountains to the north, Qarabag Yaylasi (Karabakh Upland) in west; Baku lies on Abseron Yasaqligi ... |
| Caucasus | Georgia | largely mountainous with Great Caucasus Mountains in the north and Lesser Caucasus Mountains in the south; Kolkhet'is Dablobi (Kolkhida Lowland) opens to the Black Sea in the west; Mtkvari River Basin ... |
| cays | Coral Sea Islands | sand and coral reefs and islands (or cays) |
| center | Cameroon | diverse, with coastal plain in southwest, dissected plateau in center, mountains in west, plains in north |
| center | Chad | broad, arid plains in center, desert in north, mountains in northwest, lowlands in south |
| center | French Southern and Antarctic Lands | ... Ile Amsterdam (Ile Amsterdam et Ile Saint-Paul): a volcanic island with steep coastal cliffs; the center floor of the volcano is a large plateau Ile Saint-Paul (Ile Amsterdam et Ile ... |
| center | Germany | lowlands in north, uplands in center, Bavarian Alps in south |
| center | Guam | ... origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in south |
| center | Madagascar | narrow coastal plain, high plateau and mountains in center |
| center | Mozambique | mostly coastal lowlands, uplands in center, high plateaus in northwest, mountains in west |
| center | Nauru | sandy beach rises to fertile ring around raised coral reefs with phosphate plateau in center |