word | | Terrain |
| center | Peru | western coastal plain (costa), high and rugged Andes in center (sierra), eastern lowland jungle of Amazon Basin (selva) |
| center | South Sudan | the terrain gradually rises from plains in the north and center to southern highlands along the border with Uganda and Kenya; the White Nile, flowing north out of the uplands of Central ... |
| center | Yemen | narrow coastal plain backed by flat-topped hills and rugged mountains; dissected upland desert plains in center slope into the desert interior of the Arabian Peninsula |
| centerline | Atlantic Ocean | ... in the northern Atlantic, counterclockwise warm-water gyre in the southern Atlantic; the ocean floor is dominated by the Mid-Atlantic Ridge, a rugged north-south centerline for the entire Atlantic basin |
| central | Arctic Ocean | central surface covered by a perennial drifting polar icepack that, on average, is about 3 meters thick, although pressure ridges may be three times that thickness; clockwise drift pattern in the Beaufort ... |
| central | Bahrain | mostly low desert plain rising gently to low central escarpment |
| central | Barbados | relatively flat; rises gently to central highland region |
| central | Belgium | flat coastal plains in northwest, central rolling hills, rugged mountains of Ardennes Forest in southeast |
| central | Burma | central lowlands ringed by steep, rugged highlands |
| central | Chile | low coastal mountains; fertile central valley; rugged Andes in east |
| central | Christmas Island | steep cliffs along coast rise abruptly to central plateau |
| central | Colombia | flat coastal lowlands, central highlands, high Andes Mountains, eastern lowland plains |
| central | Congo, Democratic Republic of the | vast central basin is a low-lying plateau; mountains in east |