Alwar is a city and administrative headquarters of Alwar District in the state of Rajasthan, India. It is located around 160 km south of Delhi, and about 150 km north of Jaipur, the capital of Rajasthan. India`s highest ever recorded temperature of 50.6 °C (123.1 °F) was measured at Alwar on 10 May 1956. Alwar was formerly the capital of the princely state of Alwar. It was formerly spelt as "Ulwar" in British India.