The princely state of Alwar was founded by Pratap Singh, a Rajput of the Kachwaha lineage, in the second half of the 18th century. Alwar has many interesting and historical monuments. The city has a beautiful lake and a picturesque valley. The Sariska Tiger Reserve located in the Aravalli Hills is only a few kilometres away from Alwar. The sanctuary, which is a Project Tiger Reserve, which also boasts of many other species, including rare birds and plants. The military cantonment of Itarana lies on the outskirts of Alwar.

Fairy Queen is the oldest working engine in the world. The engine was built in the year 1855 and acquired by the Eastern Indian Railways from a British firm. Now the train is one great means of transportation that departs from the Delhi encampment and reaches its destination at Alwar, in Rajasthan.

The train travel also comprises travel to the famous wildlife sanctuary of Alwar – The Sariska National Park

A well known Delicacy of Alwar is a specially made Milkcake (a kind of sweet,Kalakand in hindi ) very famous in India and is also exported.

Alwar is located at 27°34′N 76°36′E27.57°N 76.6°E. It has an average elevation of 271 metres (889 feet).