a) the southeastern part of England, including London, which has a high population and many industries and businesses b) the southeastern part of the US, including the states of Alabama, Georgia, Florida, and South Carolina
The south-east of a place, country, or region is the part which is in the south-east. the regional electricity company serving the South-east of England The heaviest snowfalls today are expected in the south east
The south-east part of a place, country, or region is the part which is towards the south-east. South-East Asia. an island just off Shetland's south-east coast