diff --git a/geocoder/admin0/data/wikipedia_iso_3166_2.csv b/geocoder/admin0/data/wikipedia_iso_3166_2.csv
new file mode 100644
index 0000000..aa439a0
--- /dev/null
+++ b/geocoder/admin0/data/wikipedia_iso_3166_2.csv
@@ -0,0 +1,250 @@
+adm0_a3,iso_a2,name
+ZAF,ZA,South Africa
+ZMB,ZM,Zambia
+BEL,BE,Belgium
+ASM,AS,American Samoa
+YEM,YE,Yemen
+AZE,AZ,Azerbaijan
+BIH,BA,Bosnia and Herzegovina
+MYT,YT,Mayotte
+PYF,PF,French Polynesia
+BLZ,BZ,Belize
+BGD,BD,Bangladesh
+MTQ,MQ,Martinique
+AND,AD,Andorra
+IMN,IM,Isle of Man
+LKA,LK,Sri Lanka
+DNK,DK,Denmark
+CZE,CZ,Czech Republic
+SHN,SH,"Saint Helena, Ascension and Tristan da Cunha"
+ALD,AX,Åland Islands
+BGR,BG,Bulgaria
+AUT,AT,Austria
+AUS,AU,Australia
+BOL,BO,"Bolivia, Plurinational State of"
+BFA,BF,Burkina Faso
+COK,CK,Cook Islands
+MLT,MT,Malta
+COL,CO,Colombia
+COG,CG,Congo
+CHN,CN,China
+DJI,DJ,Djibouti
+DEU,DE,Germany
+CAF,CF,Central African Republic
+ALB,AL,Albania
+CHE,CH,Switzerland
+AGO,AO,Angola
+NER,NE,Niger
+AFG,AF,Afghanistan
+ATA,AQ,Antarctica
+MEX,MX,Mexico
+DMA,DM,Dominica
+NIC,NI,Nicaragua
+NAM,NA,Namibia
+MYS,MY,Malaysia
+ARM,AM,Armenia
+NPL,NP,Nepal
+POL,PL,Poland
+NGA,NG,Nigeria
+CUB,CU,Cuba
+GUM,GU,Guam
+CXR,CX,Christmas Island
+ERI,ER,Eritrea
+MAR,MA,Morocco
+MDA,MD,"Moldova, Republic of"
+KNA,KN,Saint Kitts and Nevis
+LVA,LV,Latvia
+SEN,SN,Senegal
+SUR,SR,Suriname
+BES,BQ,"Bonaire, Sint Eustatius and Saba"
+BLR,BY,Belarus
+BHS,BS,Bahamas
+SYR,SY,Syrian Arab Republic
+SJM,SJ,Svalbard and Jan Mayen
+BEN,BJ,Benin
+VIR,VI,"Virgin Islands, U.S."
+CCK,CC,Cocos (Keeling) Islands
+CHL,CL,Chile
+CRI,CR,Costa Rica
+BVT,BV,Bouvet Island
+CMR,CM,Cameroon
+BWA,BW,Botswana
+BRA,BR,Brazil
+CIV,CI,Côte d'Ivoire
+COD,CD,"Congo, the Democratic Republic of the"
+CAN,CA,Canada
+ETH,ET,Ethiopia
+DZA,DZ,Algeria
+ECU,EC,Ecuador
+EGY,EG,Egypt
+UMI,UM,United States Minor Outlying Islands
+GUF,GF,French Guiana
+BMU,BM,Bermuda
+PRI,PR,Puerto Rico
+WLF,WF,Wallis and Futuna
+TKL,TK,Tokelau
+FLK,FK,Falkland Islands (Malvinas)
+FIN,FI,Finland
+DOM,DO,Dominican Republic
+ESP,ES,Spain
+EST,EE,Estonia
+GRC,GR,Greece
+FJI,FJ,Fiji
+GIN,GN,Guinea
+GAB,GA,Gabon
+GEO,GE,Georgia
+GHA,GH,Ghana
+GBR,GB,United Kingdom
+FRA,FR,France
+GIB,GI,Gibraltar
+BRN,BN,Brunei Darussalam
+GLP,GP,Guadeloupe
+HRV,HR,Croatia
+IRQ,IQ,Iraq
+GUY,GY,Guyana
+GNB,GW,Guinea-Bissau
+HND,HN,Honduras
+IDN,ID,Indonesia
+ISL,IS,Iceland
+GRL,GL,Greenland
+HUN,HU,Hungary
+IND,IN,India
+GRD,GD,Grenada
+BDI,BI,Burundi
+TCA,TC,Turks and Caicos Islands
+KEN,KE,Kenya
+ITA,IT,Italy
+IRN,IR,"Iran, Islamic Republic of"
+KGZ,KG,Kyrgyzstan
+IRL,IE,Ireland
+MUS,MU,Mauritius
+AIA,AI,Anguilla
+NFK,NF,Norfolk Island
+KHM,KH,Cambodia
+JPN,JP,Japan
+KOR,KR,"Korea, Republic of"
+KIR,KI,Kiribati
+BTN,BT,Bhutan
+LAO,LA,Lao People's Democratic Republic
+LBY,LY,Libya
+LIE,LI,Liechtenstein
+MNG,MN,Mongolia
+LBR,LR,Liberia
+PRK,KP,"Korea, Democratic People's Republic of"
+LTU,LT,Lithuania
+KAZ,KZ,Kazakhstan
+MMR,MM,Myanmar
+MCO,MC,Monaco
+MLI,ML,Mali
+MDG,MG,Madagascar
+GGY,GG,Guernsey
+ARG,AR,Argentina
+UKR,UA,Ukraine
+ARE,AE,United Arab Emirates
+IOT,IO,British Indian Ocean Territory
+ABW,AW,Aruba
+MDV,MV,Maldives
+TUN,TN,Tunisia
+MOZ,MZ,Mozambique
+MWI,MW,Malawi
+BRB,BB,Barbados
+PAN,PA,Panama
+NOR,NO,Norway
+OMN,OM,Oman
+NCL,NC,New Caledonia
+NLD,NL,Netherlands
+PER,PE,Peru
+PHL,PH,Philippines
+MRT,MR,Mauritania
+PNG,PG,Papua New Guinea
+NRU,NR,Nauru
+ROU,RO,Romania
+NZL,NZ,New Zealand
+SAU,SA,Saudi Arabia
+SVN,SI,Slovenia
+PRY,PY,Paraguay
+REU,RE,Réunion
+SRB,RS,Serbia
+RUS,RU,Russian Federation
+PRT,PT,Portugal
+SDN,SD,Sudan
+SDS,SS,South Sudan
+SLE,SL,Sierra Leone
+SMR,SM,San Marino
+TD,TD,Chad
+SWE,SE,Sweden
+SOM,SO,Somalia
+SXM,SX,Sint Maarten (Dutch part)
+SLB,SB,Solomon Islands
+TJK,TJ,Tajikistan
+SVK,SK,Slovakia
+THA,TH,Thailand
+USA,US,United States
+TUR,TR,Turkey
+UZB,UZ,Uzbekistan
+TZA,TZ,"Tanzania, United Republic of"
+VAT,VA,Holy See (Vatican City State)
+VEN,VE,"Venezuela, Bolivarian Republic of"
+UGA,UG,Uganda
+URY,UY,Uruguay
+TKM,TM,Turkmenistan
+ATG,AG,Antigua and Barbuda
+VUT,VU,Vanuatu
+VNM,VN,Viet Nam
+ZWE,ZW,Zimbabwe
+BHR,BH,Bahrain
+PAK,PK,Pakistan
+BLM,BL,Saint Barthélemy
+SPM,PM,Saint Pierre and Miquelon
+MSR,MS,Montserrat
+CYP,CY,Cyprus
+LCA,LC,Saint Lucia
+SAH,EH,Western Sahara
+CUW,CW,Curaçao
+NIU,NU,Niue
+FSM,FM,"Micronesia, Federated States of"
+CPV,CV,Cabo Verde
+VCT,VC,Saint Vincent and the Grenadines
+HMD,HM,Heard Island and McDonald Islands
+FRO,FO,Faroe Islands
+COM,KM,Comoros
+GNQ,GQ,Equatorial Guinea
+SGS,GS,South Georgia and the South Sandwich Islands
+CYM,KY,Cayman Islands
+HKG,HK,Hong Kong
+GMB,GM,Gambia
+MAF,MF,Saint Martin (French part)
+PCN,PN,Pitcairn
+LBN,LB,Lebanon
+JOR,JO,Jordan
+QAT,QA,Qatar
+LUX,LU,Luxembourg
+GTM,GT,Guatemala
+HTI,HT,Haiti
+JAM,JM,Jamaica
+ISR,IL,Israel
+JEY,JE,Jersey
+MNP,MP,Northern Mariana Islands
+KWT,KW,Kuwait
+TUV,TV,Tuvalu
+WSM,WS,Samoa
+VGB,VG,"Virgin Islands, British"
+LSO,LS,Lesotho
+MNE,ME,Montenegro
+STP,ST,Sao Tome and Principe
+SWZ,SZ,Swaziland
+MHL,MH,Marshall Islands
+MAC,MO,Macao
+TLS,TL,Timor-Leste
+PSX,PS,"Palestine, State of"
+RWA,RW,Rwanda
+SYC,SC,Seychelles
+MKD,MK,"Macedonia, the former Yugoslav Republic of"
+SGP,SG,Singapore
+PLW,PW,Palau
+SLV,SV,El Salvador
+TTO,TT,Trinidad and Tobago
+TWN,TW,"Taiwan, Province of China"
+TON,TO,Tonga
+TGO,TG,Togo
+ATF,TF,French Southern Territories