calydon

As a noun country

is an area of land; a district, region.

As an adjective country

is from or in the countryside or connected with it.

As a proper noun Calydon is

an Ancient Greek city in the country of Ætolia, north of the Gulf of Patras in western Greece, situated on the west bank of the river Evenus.

Kalydon is an alternative form of calydon.

As proper nouns the difference between kalydon and calydon

is that kalydon is while calydon is (historical) an ancient greek city in the country of Ætolia]], north of the [[w:gulf of patras|gulf of patras in western greece, situated on the west bank of the river evenus.