Wikipedia:India - South Asia nomenclature

Republic of India
Bhārat Gaṇarājya
Image of a globe centred on India, with India highlighted.
Area controlled by India shown in dark green;
claimed but uncontrolled regions shown in light green.
ISO 3166 codeIN
Indian subcontinent
South Asia
Indian Cultural Sphere
Greater India
Indian cultural extent
Dark orange: The Indian subcontinent
Light orange: Southeast Asia culturally linked to India
Yellow: Regions with significant Indian cultural influence

India may refer to, or be used interchangeably with, Republic of India (Bhārat Gaṇarājya) (main usage), Indian subcontinent, South Asia, and Greater India.