Plains Like Burgas Plain

Danube Plain (Bulgaria)

Plain

6.27 Fair

Thracian Plain

Plain

6.24 Fair

Plovdiv Plain

Plain

5.80 Mediocre

Sofia Plain

Plain

5.52 Mediocre

Isthmus of Nessebar

Isthmus

8.62 Great

Campagna (Roman Campagna)

Plain

7.85 Good

Flanders Plain

Plain

7.65 Good

Macedonia Plain (Thessaloniki)

Plain

7.65 Good

Northern Dobruja plain

Plain

7.30 Good

Pannonian Plain

Plain

7.19 Good

Dobruja Plain

Plain

7.05 Good

Atanasovsko Lake

Lagoon

6.81 Fair

Kashubian Lowland

Plain

6.75 Fair

Pomorie Lake

Lagoon

6.62 Fair

Dnieper Lowland

Plain

6.42 Fair

Pontine Plain

Plain

6.26 Fair

Mazovian Lowland

Plain

6.24 Fair

Wallachian Plain

Plain

6.21 Fair

Oka-Don Plain

Plain

6.00 Fair

Maritsa Plain

Plain

5.98 Mediocre

Macedonian Plain

Plain

5.93 Mediocre

Kuban Plain

Plain

5.80 Mediocre

Flemish Plain

Plain

5.66 Mediocre

Moldavian Plain

Plain

5.50 Mediocre