All MARC Geographic Area Codes
- Asia (a)
- Amur River (China and Russia) (aa)
- Afghanistan (a-af)
- Armenia (Republic) (a-ai)
- Azerbaijan (a-aj)
- Bengal, Bay of (ab)
- Bahrain (a-ba)
- Bangladesh (a-bg)
- Borneo (a-bn)
- Burma (a-br)
- Bhutan (a-bt)
- Brunei (a-bx)
- Asia, Central (ac)
- Cambodia (a-cb)
- China (a-cc)
- Anhui Sheng (China) (a-cc-an)
- Zhejiang Sheng (China) (a-cc-ch)
- Chongqing (China) (a-cc-cq)
- Fujian Sheng (China) (a-cc-fu)
- Yangtze River (China) (a-ccg)
- Hainan Sheng (China) (a-cc-ha)
- Heilongjiang Sheng (China) (a-cc-he)
- Hubei Sheng (China) (a-cc-hh)
- Hong Kong (China) (a-cc-hk)
- Henan Sheng (China) (a-cc-ho)
- Hebei Sheng (China) (a-cc-hp)
- Hunan Sheng (China) (a-cc-hu)
- Inner Mongolia (China) (a-cc-im)
- Kunlun Mountains (China and India) (a-cck)
- Gansu Sheng (China) (a-cc-ka)
- Guangxi Zhuangzu Zizhiqu (China) (a-cc-kc)
- Jiangxi Sheng (China) (a-cc-ki)
- Guangdong Sheng (China) (a-cc-kn)
- Jilin Sheng (China) (a-cc-kr)
- Jiangsu Sheng (China) (a-cc-ku)
- Guizhou Sheng (China) (a-cc-kw)
- Liaoning Sheng (China) (a-cc-lp)
- Macau (China : Special Administrative Region) (a-cc-mh)
- Ningxia Huizu Zizhiqu (China) (a-cc-nn)
- Bo Hai (China) (a-ccp)
- Beijing (China) (a-cc-pe)
- Xi River (China) (a-ccs)
- Shanxi Sheng (China) (a-cc-sh)
- Shanghai (China) (a-cc-sm)
- Shandong Sheng (China) (a-cc-sp)
- Shaanxi Sheng (China) (a-cc-ss)
- Xinjiang Uygur Zizhiqu (China) (a-cc-su)
- Sichuan Sheng (China) (a-cc-sz)
- Tibet (China) (a-cc-ti)
- Tianjin (China) (a-cc-tn)
- Qinghai Sheng (China) (a-cc-ts)
- Yellow River (China) (a-ccy)
- Yunnan Sheng (China) (a-cc-yu)
- Sri Lanka (a-ce)
- Taiwan (a-ch)
- Cyprus (a-cy)
- East Asia (ae)
- East Timor (a-em)
- Thailand, Gulf of (af)
- Mekong River (ag)
- Georgia (Republic) (a-gs)
- Himalaya Mountains (ah)
- Indochina (ai)
- India (a-ii)
- Indonesia (a-io)
- Iraq (a-iq)
- Iran (a-ir)
- Israel (a-is)
- Japan (a-ja)
- Jordan (a-jo)
- Caspian Sea (ak)
- Kyrgyzstan (a-kg)
- Korea (North) (a-kn)
- Korea (South) (a-ko)
- Korea (a-kr)
- Kuwait (a-ku)
- Kazakhstan (a-kz)
- Lebanon (a-le)
- Laos (a-ls)
- Malaya (am)
- Oman (a-mk)
- Mongolia (a-mp)
- Malaysia (a-my)
- East China Sea (an)
- Nepal (a-np)
- New Guinea (a-nw)
- South China Sea (ao)
- Paracel Islands (aopf)
- Spratly Islands (aoxp)
- Persian Gulf (ap)
- Philippines (a-ph)
- Pakistan (a-pk)
- Papua New Guinea (a-pp)
- Qatar (a-qa)
- Arabian Peninsula (ar)
- Southeast Asia (as)
- Singapore (a-si)
- Saudi Arabia (a-su)
- Syria (a-sy)
- Tien Shan (at)
- Tajikistan (a-ta)
- Thailand (a-th)
- Turkmenistan (a-tk)
- United Arab Emirates (a-ts)
- Turkey (a-tu)
- Arabian Sea (au)
- Uzbekistan (a-uz)
- Vietnam (a-vt)
- Middle East (aw)
- West Bank (awba)
- Gaza Strip (awgz)
- Yellow Sea (ay)
- Yemen (Republic) (a-ye)
- South Asia (az)
- Commonwealth countries (b)
- Intercontinental areas (Western Hemisphere) (c)
- Caribbean Sea (cc)
- Caribbean Area (cc)
- Latin America (cl)
- Developing countries (d)
- Developed countries (dd)
- Europe (e)
- Alps (ea)
- Albania (e-aa)
- Andorra (e-an)
- Austria (e-au)
- Baltic States (eb)
- Belgium (e-be)
- Bosnia and Hercegovina (e-bn)
- Bulgaria (e-bu)
- Belarus (e-bw)
- Europe, Central (ec)
- Croatia (e-ci)
- Czechoslovakia (e-cs)
- Balkan Peninsula (ed)
- Denmark (e-dk)
- Europe, Eastern (ee)
- Estonia (e-er)
- Finland (e-fi)
- France (e-fr)
- Germany (East) (e-ge)
- Gibraltar (e-gi)
- Greece (e-gr)
- Germany (West) (e-gw)
- Germany (e-gx)
- Hungary (e-hu)
- Iceland (e-ic)
- Ireland (e-ie)
- Italy (e-it)
- Kosovo (e-kv)
- Benelux countries (el)
- Liechtenstein (e-lh)
- Lithuania (e-li)
- Luxembourg (e-lu)
- Latvia (e-lv)
- Monaco (e-mc)
- Malta (e-mm)
- Montenegro (e-mo)
- Moldova (e-mv)
- Europe, Northern (en)
- Netherlands (e-ne)
- Norway (e-no)
- Danube River (eo)
- Pyrenees (ep)
- Poland (e-pl)
- Portugal (e-po)
- Rhine River (er)
- Serbia (e-rb)
- Romania (e-rm)
- Russia (Federation) (e-ru)
- Europe, Southern (es)
- San Marino (e-sm)
- Spain (e-sp)
- Sweden (e-sw)
- Switzerland (e-sz)
- Great Britain (e-uk)
- England (e-uk-en)
- Northern Ireland (e-uk-ni)
- Scotland (e-uk-st)
- Great Britain Miscellaneous Island Dependencies (e-uk-ui)
- Wales (e-uk-wl)
- Ukraine (e-un)
- Soviet Union (e-ur)
- Central Chernozem Region (Russia) (e-urc)
- Siberia, Eastern (Russia) (e-ure)
- Russian Far East (Russia) (e-urf)
- Caucasus (e-urk)
- Soviet Union, Northwestern (e-urn)
- Volga River (Russia) (e-urp)
- Caucasus, Northern (Russia) (e-urr)
- Siberia (Russia) (e-urs)
- Ural Mountains (Russia) (e-uru)
- Siberia, Western (Russia) (e-urw)
- Scandinavia (ev)
- Vatican City (e-vc)
- Europe, Western (ew)
- Macedonia (Republic) (e-xn)
- Slovakia (e-xo)
- Czech Republic (e-xr)
- Slovenia (e-xv)
- Yugoslavia (e-yu)
- Africa (f)
- Atlas Mountains (fa)
- Algeria (f-ae)
- Angola (f-ao)
- Africa, Sub-Saharan (fb)
- Burundi (f-bd)
- Botswana (f-bs)
- Africa, Central (fc)
- Chad (f-cd)
- Congo (Brazzaville) (f-cf)
- Congo (Democratic Republic) (f-cg)
- Cameroon (f-cm)
- Central African Republic (f-cx)
- Sahara (fd)
- Benin (f-dm)
- Africa, Eastern (fe)
- Eritrea (f-ea)
- Equatorial Guinea (f-eg)
- Ethiopia (f-et)
- Africa, North (ff)
- Djibouti (f-ft)
- Congo River (fg)
- Ghana (f-gh)
- Gambia (f-gm)
- Gabon (f-go)
- Guinea (f-gv)
- Africa, Northeast (fh)
- Niger River (fi)
- Côte d'Ivoire (f-iv)
- Kenya (f-ke)
- Nile River (fl)
- Liberia (f-lb)
- Lesotho (f-lo)
- Libya (f-ly)
- Madagascar (f-mg)
- Mali (f-ml)
- Morocco (f-mr)
- Mauritania (f-mu)
- Malawi (f-mw)
- Mozambique (f-mz)
- Sudan (Region) (fn)
- Niger (f-ng)
- Nigeria (f-nr)
- Guinea-Bissau (f-pg)
- Africa, French-speaking Equatorial (fq)
- Great Rift Valley (fr)
- Zimbabwe (f-rh)
- Rwanda (f-rw)
- Africa, Southern (fs)
- South Africa (f-sa)
- Sao Tome and Principe (f-sf)
- Senegal (f-sg)
- Spanish North Africa (f-sh)
- Sudan (f-sj)
- Sierra Leone (f-sl)
- Somalia (f-so)
- Swaziland (f-sq)
- Western Sahara (f-ss)
- Namibia (f-sx)
- Togo (f-tg)
- Tunisia (f-ti)
- Tanzania (f-tz)
- Suez Canal (Egypt) (fu)
- Egypt (f-ua)
- Uganda (f-ug)
- Burkina Faso (f-uv)
- Volta River (Ghana) (fv)
- Africa, West (fw)
- Zambezi River (fz)
- Zambia (f-za)
- French Community (h)
- Indian Ocean (i)
- British Indian Ocean Territory (i-bi)
- Comoros (i-cq)
- Terres australes et antarctiques françaises (i-fs)
- Heard and McDonald Islands (i-hm)
- Mauritius (i-mf)
- Mayotte (i-my)
- Réunion (i-re)
- Seychelles (i-se)
- Christmas Island (Indian Ocean) (i-xa)
- Cocos (Keeling) Islands (i-xb)
- Maldives (i-xc)
- Atlantic Ocean (l)
- North Atlantic Ocean (ln)
- Azores (lnaz)
- Bermuda Islands (lnbm)
- Canary Islands (lnca)
- Cape Verde (lncv)
- Faroe Islands (lnfa)
- Jan Mayen Island (lnjn)
- Madeira Islands (lnma)
- Svalbard (Norway) (lnsb)
- South Atlantic Ocean (ls)
- Ascension Island (Atlantic Ocean) (lsai)
- Bouvet Island (lsbv)
- Falkland Islands (lsfk)
- Tristan da Cunha (lstd)
- Saint Helena (lsxj)
- South Georgia and South Sandwich Islands (lsxs)
- Intercontinental areas (Eastern Hemisphere) (m)
- Arab countries (ma)
- Black Sea (mb)
- Eurasia (me)
- Mediterranean Sea (mm)
- Mediterranean Region (mm)
- Red Sea (mr)
- North America (n)
- Central America (nc)
- Belize (ncbh)
- Costa Rica (nccr)
- Canal Zone (nccz)
- El Salvador (nces)
- Guatemala (ncgt)
- Honduras (ncho)
- Canada (n-cn)
- Alberta (n-cn-ab)
- British Columbia (n-cn-bc)
- Hudson Bay (n-cnh)
- Maritime Provinces (n-cnm)
- Manitoba (n-cn-mb)
- Newfoundland and Labrador (n-cn-nf)
- New Brunswick (n-cn-nk)
- Nova Scotia (n-cn-ns)
- Northwest Territories (n-cn-nt)
- Nunavut (n-cn-nu)
- Ontario (n-cn-on)
- Prairie Provinces (n-cnp)
- Prince Edward Island (n-cn-pi)
- Nicaragua (ncnq)
- Québec (Province) (n-cn-qu)
- Saskatchewan (n-cn-sn)
- Yukon Territory (n-cn-yk)
- Panama (ncpn)
- Greenland (n-gl)
- Lake States (nl)
- Great Lakes (North America) (nl)
- Mexico, Gulf of (nm)
- Mexico (n-mx)
- Great Plains (np)
- Rocky Mountains (nr)
- United States (n-us)
- Appalachian Mountains (n-usa)
- Alaska (n-us-ak)
- Alabama (n-us-al)
- Arkansas (n-us-ar)
- Arizona (n-us-az)
- Middle West (n-usc)
- California (n-us-ca)
- Colorado (n-us-co)
- Connecticut (n-us-ct)
- Washington (D.C.) (n-us-dc)
- Delaware (n-us-de)
- Northeastern States (n-use)
- Georgia (n-us-ga)
- Hawaii (n-us-hi)
- Iowa (n-us-ia)
- Idaho (n-us-id)
- Illinois (n-us-il)
- Indiana (n-us-in)
- Kansas (n-us-ks)
- Kentucky (n-us-ky)
- Middle Atlantic States (n-usl)
- Louisiana (n-us-la)
- Mississippi River (n-usm)
- Massachusetts (n-us-m)
- Maryland (n-us-md)
- Maine (n-us-me)
- Michigan (n-us-mi)
- Minnesota (n-us-mn)
- Missouri (n-us-mo)
- Mississippi (n-us-ms)
- Montana (n-us-mt)
- New England (n-usn)
- Nebraska (n-us-nb)
- North Carolina (n-us-nc)
- North Dakota (n-us-nd)
- New Hampshire (n-us-nh)
- New Jersey (n-us-nj)
- New Mexico (n-us-nm)
- Nevada (n-us-nv)
- New York (State) (n-us-ny)
- Ohio River (n-uso)
- Ohio (n-us-oh)
- Oklahoma (n-us-ok)
- Oregon (n-us-or)
- West (U.S.) (n-usp)
- Pennsylvania (n-us-pa)
- East (U.S.) (n-usr)
- Rhode Island (n-us-ri)
- Missouri River (n-uss)
- South Carolina (n-us-sc)
- South Dakota (n-us-sd)
- Southwest, New (n-ust)
- Tennessee (n-us-tn)
- Texas (n-us-tx)
- Southern States (n-usu)
- Utah (n-us-ut)
- Virginia (n-us-va)
- Vermont (n-us-vt)
- Washington (State) (n-us-wa)
- Wisconsin (n-us-wi)
- West Virginia (n-us-wv)
- Wyoming (n-us-wy)
- West Indies (nw)
- Antigua and Barbuda (nwaq)
- Aruba (nwaw)
- Barbados (nwbb)
- Bahamas (nwbf)
- Bonaire (Netherlands Antilles) (nwbn)
- Cayman Islands (nwcj)
- Curaçao (Netherlands Antilles) (nwco)
- Cuba (nwcu)
- Dominica (nwdq)
- Dominican Republic (nwdr)
- Sint Eustatius (Netherlands Antilles) (nweu)
- Grenada (nwgd)
- Guadeloupe (nwgp)
- Hispaniola (nwhi)
- Haiti (nwht)
- Jamaica (nwjm)
- Antilles, Lesser (nwla)
- Leeward Islands (West Indies) (nwli)
- Montserrat (nwmj)
- Martinique (nwmq)
- Netherlands Antilles (nwna)
- Puerto Rico (nwpr)
- Saba (Netherlands Antilles) (nwsd)
- Saint Martin (West Indies) (nwst)
- Swan Islands (Honduras) (nwsv)
- Turks and Caicos Islands (nwtc)
- Trinidad and Tobago (nwtr)
- United States Miscellaneous Caribbean Islands (nwuc)
- British Virgin Islands (nwvb)
- Virgin Islands of the United States (nwvi)
- Windward Islands (West Indies) [nwwi] (nwwi)
- Anguilla (nwxa)
- Saint Kitts and Nevis (nwxi)
- Saint Lucia (nwxk)
- Saint Vincent and the Grenadines (nwxm)
- Saint Pierre and Miquelon (n-xl)
- Pacific Ocean (p)
- North Pacific Ocean (pn)
- Oceania (po)
- American Samoa (poas)
- Solomon Islands (pobp)
- Caroline Islands (poci)
- Cook Islands (pocw)
- Easter Island (poea)
- Fiji (pofj)
- French Polynesia (pofp)
- Galapagos Islands (pogg)
- Guam (pogu)
- Johnston Island (poji)
- Kiribati (pokb)
- Kermadec Islands (poki)
- Line Islands (poln)
- Melanesia (pome)
- Micronesia (Federated States) (pomi)
- New Caledonia (ponl)
- Vanuatu (ponn)
- Nauru (ponu)
- Pitcairn Island (popc)
- Palau (popl)
- Polynesia (pops)
- Samoan Islands (posh)
- Tokelau (potl)
- Tonga (poto)
- Micronesia (pott)
- Tuvalu (potv)
- United States Miscellaneous Pacific Islands (poup)
- Wallis and Futuna Islands (powf)
- Wake Island (powk)
- Samoa (pows)
- Mariana Islands (poxd)
- Marshall Islands (poxe)
- Midway Islands (poxf)
- Niue (poxh)
- South Pacific Ocean (ps)
- Cold regions (q)
- Arctic Ocean (r)
- Arctic regions (r)
- South America (s)
- Amazon River (sa)
- Argentina (s-ag)
- Brazil (s-bl)
- Bolivia (s-bo)
- Colombia (s-ck)
- Chile (s-cl)
- Ecuador (s-ec)
- French Guiana (s-fg)
- Guyana (s-gy)
- Andes (sn)
- Peru (s-pe)
- Paraguay (s-py)
- Suriname (s-sr)
- Rio de la Plata (Argentina and Uruguay) (su)
- Uruguay (s-uy)
- Venezuela (s-ve)
- Antarctica (t)
- Antarctic Ocean (t)
- Australasia (u)
- Ashmore and Cartier Islands (u-ac)
- Australia (u-at)
- Australian Capital Territory (u-at-ac)
- Central Australia (u-atc)
- Eastern Australia (u-ate)
- Northern Australia (u-atn)
- New South Wales (u-at-ne)
- Northern Territory (u-at-no)
- Queensland (u-at-qn)
- South Australia (u-at-sa)
- Tasmania (u-at-tm)
- Victoria (u-at-vi)
- Western Australia (u-at-we)
- Coral Sea Islands (u-cs)
- New Zealand (u-nz)
- Tropics (w)
- Earth (x)
- Eastern Hemisphere (xa)
- Northern Hemisphere (xb)
- Southern Hemisphere (xc)
- Western Hemisphere (xd)
- Deep space (zd)
- Jupiter (Planet) (zju)
- Mars (Planet) (zma)
- Mercury (Planet) (zme)
- Moon (zmo)
- Neptune (Planet) (zne)
- Outer space (zo)
- Pluto (Planet) (zpl)
- Solar system (zs)
- Saturn (Planet) (zsa)
- Sun (zsu)
- Uranus (Planet) (zur)
- Venus (Planet) (zve)