• Srirangapatna is actually an island surrounded by river cauvery from all sides. This egg shaped island is named after Sri Ranganatha, the presiding deity of the Sri Ranganatha Swamy temple which is the chief attraction in the city.
• The island measures approximately 5 kilometers east to west and 1.5 kilometers south to north. The island has an area of about 7.2 square kilometers. Near this town, river Cauvery divides into two branches called North and South Cauvery creating the central land mass as an Island.
• This Island is called Srirangapattana after the presiding deity of the place Sriranganatha.

Source: NCERT- Indian Physical Geography