Most residents of Jamnagar are Gujarati and speak the Gujarati language. A small portion of the population speak the Kachchi language which is written in the Gujarati script but not mutually intelligible with Gujarati. Kathiawadi Language (which is a colloquial dialect of Gujarati) is widely used for day to day communication. Major communities include the Satvaras (Dalvadis),Ahirs (Yadav), Patels, Bhanushalis, Rajputs (Darbars), Mers, Jains, Lohanas, Brahmins and Vaghers (Muslims and Hindu)
The Marine National Park, the only marine sanctuary in India is near Jamnagar, on the coral reef island of Pirotan. Jamnagar is well known for its four marble Jain temples: Vardhman Shah's Temple, Raisi Shah's Temple, Sheth's Temple, and Vasupujya Swami's Temple; all built between 1574 and 1622. The Bala Hanuman temple in Jamnagar is also very famous and is listed inThe Guinness Book of World Records for the longest continuous chanting of "Ram Dhun" (since 1 August 1964). Also on Guinness Book of records is World's largest Chapati which weighed 63.99 kg (141 lb 1 oz) and was made by the Shree Jalarm Mandir Jirnodhar Samitee organisation at the Jalaram Temple, Jamnagar, on 15 January 2005
