Mu isi igizwe nâubutaka nâamazi, ibirwa bifite umwihariko udasanzwe. Hari ibirwa binini cyane ku buryo usanga bihwanye nâibihugu byigenga, bikaba bifite abaturage benshi, ubukungu bukomeye ndetse bikagira uruhare rukomeye mu mibereho nâimibanire mpuzamahanga. Dore urutonde rwâibirwa binini kurusha ibindi ku isi, aho biherereye, nâicyo bivuze ku rwego mpuzamahanga
đĽ 1. Greenland (Kalaallit Nunaat)
- Ubuso: 2,166,086 km²
- Aho biherereye: Mu Majyaruguru ya Amerika, bwigenge ku rwego runaka ariko buba munsi yâubwami bwa Denmark
- Ikiranga: 80% byâubutaka buyigize bupfukishijwe nâurubura ruhoraho
Greenland ni cyo kirwa kinini ku isi, gifite ikirere gikonje cyane, gifite uruhare mu kurinda ihindagurika ryâikirere kubera ingufu cyakira mu rubura. Nubwo gifite ubuso bunini, gifite abaturage bake cyane (bari munsi ya 60,000)


đĽ 2. New Guinea
- Ubuso: 785,753 km²
- Aho giherereye: Mu gace ka Oceania, gihuriweho na Papua New Guinea (igice cyâuburengerazuba) na Indonesia (igice cyâiburasirazuba)
- Ikiranga: Gifite uburumbuke bwâimisozi nâamashyamba ndetse ni kimwe mu bifite ubusitani bwa kimeza butarigeze buhindurwa cyane
Ni ahantu hagaragara ubwoko bwinshi bwâibinyabuzima, hakaba haravumbuweyo amoko menshi yâibinyabuzima atagaragara ahandi ku Isi.

đĽ 3. Borneo
- Ubuso: 748,168 km²
- Aho biherereye: Aziya yâamajyepfo yâiburasirazuba
- Igabanijwemo nâibihugu bitatu: Indonesia, Malaysia, na Brunei
- Ikiranga: Ni isoko yâinkwi nâibiti byâagaciro, ariko ibura rya za nyamaswa nâishyamba ririyongera
Ni igicumbi cyâinyamaswa nka Orangutan nâibindi bisigaye bike ku isi.

4. Madagascar
- Ubuso: 587,041 km²
- Aho biherereye: Mu Nyanja yâu Buhinde hafi yâinkombe yâAfurika yâAmajyepfo yâiburasirazuba
- Ikiranga: 90% byâibinyabuzima biriho ntaho usanga ku isi hose (endemism)
Iki kirwa ni cyo kinini muri Afurika, kandi ni icya kane kinini ku isi. Gifite uburumbuke bwâibinyabuzima nâubuhanga bwihariye mu mico yaho.

5. Baffin Island
- Ubuso: 507,451 km²
- Aho giherereye: Canada, muri Nunavut
- Ikiranga: Kirimo imisozi ya barafu, ibiyaga nâurusobe rwâinyamaswa zâahantu hakonje cyane
Gikunze gukorwaho ubushakashatsi ku mihindagurikire yâikirere nâubuzima bwo mu gace kâibarafu.


6. Sumatra
- Ubuso: 473,481 km²
- Aho iherereye: Indonesia
- Ikiranga: Izwiho imisozi yâibirunga nâimvura nyinshi cyane
Yubatse ubukungu bushingiye ku buhinzi, ubucukuzi bwâamabuye yâagaciro, nâuburobyi.


7. Honshu
- Ubuso: 225,800 km²
- Aho iherereye: U Buyapani
- Ikiranga: Ni ho habarizwa umurwa mukuru Tokyo nâimijyi ikomeye nka Osaka, Kyoto
Ni cyo kirwa kirimo abaturage benshi kurusha ibindi ku isi.

8. Victoria Island
- Ubuso: 217,291 km²
- Aho iherereye: Canada
- Ikiranga: Kirimo imirambi yâibarafu nâinyamaswa zo mu majyaruguru
Nubwo kinini, gituwe nâabantu bake cyane kubera ubukonje bukabije.

9. Great Britain
- Ubuso: 209,331 km²
- Aho iherereye: Uburayi (Ubwami bwâu Bwongereza)
- Ikiranga: Ni kirwa gifite amateka akomeye yâubukoloni nâiterambere
Cyagize uruhare runini mu mpinduramatwara yâinganda no mu bucuruzi bwâisi yose.

10. Ellesmere Island
- Ubuso: 196,236 km²
- Aho iherereye: Canada
- Ikiranga: Gituwe nâabantu bake cyane, kirimo ibice bikonja cyane bikorerwamo ubushakashatsi
Ni kirwa cya karindwi kinini muri Canada ariko kitarimo ibikorwa byinshi byâubucuruzi.

đ§ Umwanzuro:
Ibirwa binini ku isi ni igice gikomeye cyâimiterere yâIsi. Bifite uruhare runini mu bijyanye nâibinyabuzima, iterambere, ibidukikije, nâamateka. Mu gihe isi ikomeje guhura nâingaruka zâimihindagurikire yâikirere, ibi birwa bishobora kuba ibisubizo byâahazaza cyangwa ibimenyetso byâukuntu tugomba kurengera Isi dutuye.