The following is a list of Slavic states that existed in the first half of the second millenium on the territories of contemporary Belarus, Russia, and Ukraine.

Main

• Kievan Rus' (882-1032)

South

• Kiev Duchy (1132 - 1471)
• Chernigov Duchy (1024 - 1330), included principalities (udels):
  • Vschizh Duchy (1156 - 1240)
  • Kozelsk Duchy (ca. 1235 - 1445)
  • Bryansk Duchy (ca 1240 - 1430)
  • Glukhov Duchy (ca 1246 - 1407)
  • Karachev Duchy (ca. 1246 - 1360)
  • Tarusa Duchy (1246 - 1392)
  • Myshegda Duchy (ca 1270 - 1488)
  • Obolensk Duchy (ca 1270 - 1494)
  • Volokna Duchy (ca 1270 - 1470)
  • Zvenigorod Duchy (ca 1340 - 1504)
  • Mosalsk Duchy (ca 1350 - 1494)
  • Meschovsk Duchy (ca 1360 - 1504)
  • Elets Duchy (ca 1370 - 1480)
  • Novosil Duchy (ca. 1376 - 1425)
  • Odoyev Duchy (1376 - 1547)
  • Belev Duchy (ca 1376 - 1558)
  • Starodub Duchy (within Grand Duchy of Lithuania, 1406 - 1503)
  • Baryatin Duchy (ca 1450 - 1504)
  • Vorotynsk Duchy (ca 1455 - 1573)
  • Trostena Duchy (ca 1460 - 1490)

• Tmutarakan Duchy (ca. 988 - 1100)
• Pereyaslav Duchy (1054 - 1239)
• Novgorod-Seversky Duchy (ca. 1096 - 1494), included principalities (udels):
  • Kursk Duchy (ca 1132 - 1240)
  • Rylsk Duchy (ca 1132 - 1500)
  • Putivl Duchy (ca 1150 - 1500)
  • Trubchevsk Duchy (ca 1392 - 1500)

West

• Polotsk Duchy (Poltesk) (ca 960 - 1399), incuding principalities (udels):
  • Vitebsk Duchy (1101 - 1392)
  • Minsk Duchy (Minesk) (ca 1101 - 1407)
  • Borisov Duchy (ca 1101 - 1245)
  • Izyaslav Duchy (ca 1101 - 1245)
  • Hrodno Duchy (Goroden, Grodno) (1127 - 1365)
  • Logozh Duchy (Logoysk) (ca 1150 - 1245)
  • Drutsk Duchy (Drutsk, Driutesk) (ca 1150 - 1508)
  • Podbrezin Duchy (ca 1320 - 1460)
• Turov-Pinsk Duchy (ca 998 - 1168)
• Halych-Volynia Duchy (ca 990 - 1265)
• Smolensk Duchy (ca 990 - 1404)

East

• Murom Duchy (989 - 1390)
• Pronsk Duchy (1129 - 1465)
• Ryazan Duchy (1129 - 1510)
• Vladimir-Suzdal Duchy (1125 - 1362)
• Pereslavl Duchy (1175 - 1302)
• Rostov Duchy (ca 989 - 1474)
• Yuryev Duchy (ca 1212 - 1345)
• Uglich Duchy (1216 - 1591)
• Yaroslavl Duchy (1218 - 1463)
• Beloozero Duchy (1238 - 1486)
• Starodub Duchy (1238 - 1460)
• Dmitrov Duchy (1238 - 1569)
• Galich-Mersky Duchy (1246 - 1453)
• Kostroma Duchy (1246 - 1303)
• Suzdal-Nizhegorod Grand Duchy (1238 - 1424)
• Tver Grand Duchy (1242 - 1490)
• Grand Duchy of Muscovy (1276 - 1547)

North

• Novgorod Republic (10th century - 1478)
• Pskov Repubic (11th century - 1510)