Pob tudalen â rhagddodiad
Mae'r dudalen arbennig hon yn dangos rhestr o'r tudalennau yn nhrefn yr wyddor Saesneg. Fe fydd y rhestr yn dechrau gyda'r llythrennau y byddwch yn eu rhoi yn y blwch cyntaf. Sylwch fod y rhaglen yn gwahaniaethu rhwng llythrennau bach a mawr. Fe fydd y rhaglen yn chwilio yn y parth y byddwch yn ei ddewis yn yr ail flwch.
Tudalennau ailgyfeirio yw'r teitlau italig.
- Country data
- Country data/doc
- Country data Abkhazia
- Country data Afghanistan
- Country data Akrotiri a Dhekelia
- Country data Akrotiri and Dhekelia
- Country data Albania
- Country data Algeria
- Country data Almaen
- Country data Alpes-Maritimes
- Country data Alsace
- Country data American Samoa
- Country data Andalusia
- Country data Andorra
- Country data Angola
- Country data Anguilla
- Country data Antarctica
- Country data Antartica
- Country data Antigua a Barbuda
- Country data Antigua and Barbuda
- Country data Antipodes Islands
- Country data Arab League
- Country data Aragon
- Country data Ariannin/ Argentina
- Country data Armenia
- Country data Artsakh
- Country data Aruba
- Country data Ashmore and Cartier Islands
- Country data Asturias
- Country data Auckland Islands
- Country data Australia
- Country data Austria
- Country data Awstralia
- Country data Awstria
- Country data Azerbaijan
- Country data BRA
- Country data BUL
- Country data Bahamas
- Country data Bahamas, The
- Country data Bahrain
- Country data Bahrein
- Country data Balearic Islands
- Country data Bangladesh
- Country data Barbados
- Country data Basque Country
- Country data Belarus
- Country data Belarws
- Country data Belgium
- Country data Belize
- Country data Benin
- Country data Bermuda
- Country data Bhutan
- Country data Bhwtan
- Country data Bolivia
- Country data Bonaire
- Country data Bosnia a Herzegovina
- Country data Bosnia and Herzegovina
- Country data Botswana
- Country data Bougainville
- Country data Bounty Islands
- Country data Bouvet Island
- Country data Brasil
- Country data Brazil
- Country data Brenhiniaeth Yugoslavia
- Country data Bretagne
- Country data British Indian Ocean Territory
- Country data British Virgin Islands
- Country data Brunei
- Country data Brussels-Capital Region
- Country data Brwsel
- Country data Bulgaria
- Country data Burkina Faso
- Country data Burma
- Country data Burundi
- Country data Bwlgaria
- Country data Bwrwndi
- Country data CHI
- Country data CRO
- Country data Cabo Verde
- Country data Cambodia
- Country data Cameroon
- Country data Camerwn
- Country data Campbell Islands
- Country data Canada
- Country data Canary Islands
- Country data Cantabria
- Country data Cape Verde
- Country data Caribbean Netherlands
- Country data Castile-La Mancha
- Country data Castile and León
- Country data Catalonia
- Country data Catalwnia
- Country data Cayman Islands
- Country data Central African Republic
- Country data Cernyw
- Country data Chad
- Country data Chatham Islands
- Country data Chile
- Country data China
- Country data Christmas Island
- Country data Chubut
- Country data Chuuk
- Country data Clipperton
- Country data Clipperton Island
- Country data Cocos (Keeling) Islands
- Country data Collectivity of Saint Martin
- Country data Colombia
- Country data Comoros
- Country data Congo
- Country data Congo, Dem. Rep.
- Country data Congo, Rep.
- Country data Cook Islands
- Country data Coral Sea Islands
- Country data Cornwall
- Country data Corsica
- Country data Cosofo
- Country data Costa Rica
- Country data Croatia
- Country data Croatian Republic of Herzeg-Bosnia
- Country data Cuba
- Country data Curaçao
- Country data Cymru
- Country data Cymru a Lloegr
- Country data Cymuned Almaeneg ei hiaith
- Country data Cymuned Almaeneg ei hiaith yng Ngwlad Belg
- Country data Cynfrodorionau Awstralaidd
- Country data Cyprus
- Country data Czech Republic
- Country data Czechoslovakia
- Country data Côte d'Ivoire
- Country data DU
- Country data De Affrica
- Country data De Awstralia
- Country data De Corea
- Country data De Cymru Newydd
- Country data De Ossetia
- Country data De Sudan
- Country data De Swdan
- Country data Democratic Republic of the Congo
- Country data Denmarc
- Country data Denmark
- Country data Dinas y Fatican
- Country data Djibouti
- Country data Dominica
- Country data Dominican Republic
- Country data Dwyrain Timor
- Country data ENG
- Country data EU
- Country data East Timor
- Country data Easter Island
- Country data Ecuador
- Country data Egypt
- Country data El Salvador
- Country data Equatorial Gini
- Country data Equatorial Guinea
- Country data Eritrea
- Country data Estonia
- Country data Eswatini
- Country data Ethiopia
- Country data European Union
- Country data Extremadura
- Country data FRA
- Country data FRG
- Country data Falkland Islands
- Country data Falkland Islands (DU)
- Country data Faro Islands
- Country data Faroe Islands
- Country data Federated States of Micronesia
- Country data Ffindir
- Country data Fflandrys
- Country data Ffrainc
- Country data Ffrisia
- Country data Fietnam
- Country data Fiji
- Country data Finland
- Country data Flag of Åland
- Country data Flanders
- Country data France
- Country data French Guiana
- Country data French Guyane
- Country data French Polynesia
- Country data French Polynesia(Ffrainc)
- Country data French Polynesia (Ffrainc)
- Country data French Southern and Antarctic Lands
- Country data French Southern and Antarctic Lands (Ffrainc)
- Country data GER
- Country data Gabon
- Country data Galicia
- Country data Galisia
- Country data Gambia