word | | Terrain |
| hills | Wallis and Futuna | volcanic origin; low hills |
| hills | 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 |
| hills | Zambia | mostly high plateau with some hills and mountains |
| hilly | Bangladesh | mostly flat alluvial plain; hilly in southeast |
| hilly | British Virgin Islands | coral islands relatively flat; volcanic islands steep, hilly |
| hilly | Brunei | flat coastal plain rises to mountains in east; hilly lowland in west |
| hilly | Burundi | hilly and mountainous, dropping to a plateau in east, some plains |
| hilly | Cook Islands | low coral atolls in north; volcanic, hilly islands in south |
| hilly | Curacao | generally low, hilly terrain |
| hilly | Czech Republic | Bohemia in the west consists of rolling plains, hills, and plateaus surrounded by low mountains; Moravia in the east consists of very hilly country |
| hilly | Eritrea | ... by extension of Ethiopian north-south trending highlands, descending on the east to a coastal desert plain, on the northwest to hilly terrain and on the southwest to flat-to-rolling plains |
| hilly | Estonia | marshy, lowlands; flat in the north, hilly in the south |
| hilly | Falkland Islands (Islas Malvinas) | rocky, hilly, mountainous with some boggy, undulating plains |
| hilly | Gabon | narrow coastal plain; hilly interior; savanna in east and south |
| hilly | Guinea | generally flat coastal plain, hilly to mountainous interior |