Dacia

Dagestan

Dagomba

Dahae

Dahomey

Dal nAraidi

DalRiada

Dalarna

Dalhem

Dali

Dalmatia

Damagaram

Damascus

Danzig

Dar al-Kuti

Dar al-Masalit

Darfur

Darndania

Date

Datia

Daura

Daura-Baure

Daura-Zango

Dauro

Dayani

Daylam

Deccan

Deheubarth

Deira

Delhi

Delos

Delphi

Deltuva

Demak

Demerara-Essequibo

Demetia

Demetrias (Pheres)

Dendi

Denizli

Denkyira

Denmark

Derbend

Derby

Derevlians

Deshima

Desmond (Earldom)

Desmond (Kingdom)

Destra

Devon

Dezana

Dhu Jibla

Diaokhi

Diepholz

Dietz

Dimakseani

Dimi

Dioclea

Dir

Diyarbakr

Dizak

Djakarta

Djarrahid Confederation

Djebel Nefusah

Djerba

Dmitrov

Dobrogea

Dogfeiling

Dolopes

Dominica

Dominican Republic

Domnoneé

Dompu

Don

Dor

Dorians

Dorogobuzh-Gorynsky

Dorogobuzh-Tverskoi

Doros

Dorpat

Dortmund

Dos Pilas

Dotawo

Douala

Douglas

Dragmos

Drangiana

Draviskos

Drente

Dreros

Dreux

Drutsk

Dryopes

Dubai

Dublin

Dubrovitsa

Duketown

Dumnonia

Dunav

Dunbar

Dunoding

Duras

Durham (including Lindisfarne)

Durres

Dyfed

Dyffryn Clwyd

Dzheraberd

Dzibanche