Countries and territories where Hindi is an official language

state in northern India

Bihar () is a state in Eastern India. It is the second largest state by population, the 12th largest by area, and the 14th largest by GDP in 2024. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West Bengal to the east, and Jharkhand to the south. Bihar is split by the river Ganges, which flows from west to east. On 15 November 2000, a large chunk of southern Bihar was ceded to form the new state of Jharkhand. Around 11.27% of Bihar's population live in urban areas as per a 2020 report. Additionally, almost 58% of Biharis are below the age of 25, giving Bihar

Haryana is a state located in the northwestern part of India. It was carved out after the linguistic reorganisation of Punjab on 1 November 1966. It is ranked 21st in terms of area, with less than 1.4% () of India's land area. The state capital is Chandigarh, which it shares with the neighbouring state of Punjab; the most populous city is Faridabad, a part of the National Capital Region. The city of Gurgaon is among India's largest financial and technology hubs. Haryana has administrative divisions, districts, 72 sub-divisions, 93 revenue tehsils, 50 sub-tehsils, 140 community development bloc