The region is known after its local station town of Alwar.
There are various theories about the enlistment of the name Alwar Cunningham holds that the city got its name from the Salva clan and was initially Salwapur, at that point, Salwar, Halawar and inevitably Alwar. As per another school, it was known as Aravalpur or the city of Aravali (A Slope framework separating Rajasthan generally into third and 66%). Some others hold that city is named after Alaval Khan Mewati. An examination directed amid the rule of Maharaja Jai Singh of Alwar uncovered that Maharaja Alaghraj, the second child of Maharaja Kakil of Amer (old seat of Jaipur State) controlled the region in the eleventh century and his domain broadened up to the present city of Alwar. He established the city of Alpur in 1106 Vikrami Samvat (1049 A.D.) after his own name which in the long run progressed toward becoming Alwar. It was earlier spelled as Ulwar yet in the rule of Jai Singh the spelling was changed to Alwar.
The Alwar state might be said to have been framed as isolated, autonomous state when Rao Pratap Singh, its organizer, first raised his standard over the Alwar Post on November 25th, 1775. Amid his standard, the locale of Thanagazi, Rajgarh, Malakhera, Ajabgarh, Baldeogarh, Kankwari, Alwar, Ramgarh and Laxmangarh and zones around Behror and Bansur, were at long last incorporated to frame the State. As the State was being solidified, normally, no unmistakable authoritative apparatus could have appeared. At the time, the State’s income was between 6 to 7 lakhs of rupees for every annum.
The following ruler Maharao Raja Bakhtawar Singh (1791-1815) additionally dedicated himself to crafted by expansion and solidification of the region of the State. He was fruitful in incorporating the Parganas of Ismailpur and Mandawar and the talukas of Darbapur, Rutai, Neemrana, Mandhan, Beejwar and Kakoma in the Alwar State.
Rao Tej Singh
Maharao Raja Bakhtawar Singh rendered important administrations to Ruler Lake, amid the last’s crusade against Marathas, in the clash of Laswari, in the Alwar region when the State troops helped him in, at last, breaking the Marathas and Jat powers.